ACC SHELL
[
$[
"access_policy" : "open access, please send a message to notify",
"address" : "tick.nap.com.ar",
"country" : "AR",
"exact_location" : "Network Access Point, Buenos Aires, Argentina",
"location" : "Argentina",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Cisco IOS",
],
$[
"access_policy" : "open access, please send a message to notify.",
"address" : "time.sinectis.com.ar",
"coordinates" : "3432'S, 5820'W",
"country" : "AR",
"exact_location" : "Sinectis S.A., Buenos Aires (Argentina)",
"location" : "Argentina",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), i686/Linux",
],
$[
"access_policy" : "open access, please send a message to notify",
"address" : "tock.nap.com.ar",
"country" : "AR",
"exact_location" : "Network Access Point, Buenos Aires, Argentina",
"location" : "Argentina",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Cisco IOS",
],
$[
"access_policy" : "open access",
"address" : "ntp1.belbone.be",
"country" : "BE",
"exact_location" : "Brussels, Belgium",
"location" : "European Union",
"stratum" : "2",
"synchronization" : "xntpd (stratum 2), linux/unix",
],
$[
"access_policy" : "open access",
"address" : "ntp2.belbone.be",
"country" : "BE",
"exact_location" : "Brussels, Belgium",
"location" : "European Union",
"stratum" : "2",
"synchronization" : "xntpd (stratum 2), linux/unix",
],
$[
"access_policy" : "Open access to stratum 2 and stratum 3 NTP servers. Please, send a mail to notify.",
"address" : "ntp.cais.rnp.br",
"country" : "BR",
"exact_location" : "RNP - Brazilian Research Network/Rede Nacional de Pesquisa",
"location" : "Brazil",
"stratum" : "2",
"synchronization" : "NTP V4 Secondary (stratum 2), FreeBSD/UNIX",
],
$[
"access_policy" : "Open access to stratum 3 server. Please, send a mail to notify.",
"address" : "ntp.pop-pr.rnp.br",
"country" : "BR",
"exact_location" : "PoP-PR/Brazilian Research Network (RNP)",
"location" : "Brazil",
"stratum" : "2",
"synchronization" : "NTP V4 Secondary (stratum 2), IBM RS6000 - 43P-240 /Debian GNU Linux with IPv6 Support",
],
$[
"address" : "ntp1.pucpr.br",
"country" : "BR",
"exact_location" : "Brazilian / Pontificia Universidade Catolica do Parana",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2),",
],
$[
"access_policy" : "open access",
"address" : "ntp.cpsc.ucalgary.ca",
"country" : "CA",
"exact_location" : "University of Calgary, Calgary, Alberta, Canada",
"location" : "Canada",
"stratum" : "2",
"synchronization" : "NTP V4 Secondary, i686/Solaris",
],
$[
"access_policy" : "open access",
"address" : "ntp1.cmc.ec.gc.ca",
"country" : "CA",
"exact_location" : "Canadian Meteorological Centre, Dorval, Québec, Canada",
"location" : "Eastern Canada",
"stratum" : "2",
"synchronization" : "NTP V4 secondary SGI/Unix",
],
$[
"access_policy" : "open access",
"address" : "ntp2.cmc.ec.gc.ca",
"country" : "CA",
"exact_location" : "Canadian Meteorological Centre, Dorval, Québec, Canada",
"location" : "Eastern Canada",
"stratum" : "2",
"synchronization" : "NTP V4 secondary SGI/Unix",
],
$[
"access_policy" : "open access, send email to notify.",
"address" : "tick.utoronto.ca",
"country" : "CA",
"exact_location" : "University of Toronto, Toronto, Ontario, CANADA",
"location" : "Eastern Canada",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Sparc 10, Solaris 2.5.1",
],
$[
"access_policy" : "open access",
"address" : "time.chu.nrc.ca",
"coordinates" : "45:17:41N, 75:45:27W",
"country" : "CA",
"exact_location" : "National Research Council of Canada, Ottawa, Ontario, Canada",
"location" : "Canada",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), PC/Linux",
],
$[
"access_policy" : "open access",
"address" : "time.nrc.ca",
"coordinates" : "45:27N, 75:37W",
"country" : "CA",
"exact_location" : "National Research Council of Canada, Ottawa, Ontario, Canada",
"location" : "Canada",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), PC/Linux",
],
$[
"access_policy" : "open access",
"address" : "timelord.uregina.ca",
"coordinates" : "50:25N , 104:35:20 W",
"country" : "CA",
"exact_location" : "University of Regina, Regina, Saskatchewan, Canada",
"location" : "SASK#net, CA*net, Canada",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Sun Sparc 5",
],
$[
"access_policy" : "open access, send email to notify.",
"address" : "tock.utoronto.ca",
"country" : "CA",
"exact_location" : "University of Toronto, Toronto, Ontario, CANADA",
"location" : "Eastern Canada",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Sparc 5, Solaris 2.5",
],
$[
"access_policy" : "open access",
"address" : "ntp.cgi.cz",
"country" : "CZ",
"exact_location" : "Prague, The Czech Republic",
"location" : "Czech Republic",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), PC/FreebSD",
],
$[
"access_policy" : "open access",
"address" : "ntp.globe.cz",
"country" : "CZ",
"exact_location" : "Prague, The Czech Republic",
"location" : "Czech Republic",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), PC/Linux",
],
$[
"access_policy" : "open access",
"address" : "ntp.karpo.cz",
"country" : "CZ",
"exact_location" : "Prague, The Czech Republic",
"location" : "Czech Republic",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), PC/Linux",
],
$[
"access_policy" : "open access",
"address" : "ntp1.contactel.cz",
"country" : "CZ",
"exact_location" : "Prague, The Czech Republic",
"location" : "Czech Republic",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), PC/Linux",
],
$[
"access_policy" : "open access",
"address" : "ntp2.contactel.cz",
"country" : "CZ",
"exact_location" : "Prague, The Czech Republic",
"location" : "Czech Republic",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), PC/Linux",
],
$[
"address" : "tack.fh-augsburg.de",
"country" : "DE",
"exact_location" : "Augsburg University of Applied Sciences (FH), Augsburg, Bavaria, Germany",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), i486/Linux",
],
$[
"address" : "tick.fh-augsburg.de",
"country" : "DE",
"exact_location" : "Augsburg University of Applied Sciences (FH), Augsburg, Bavaria, Germany",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), i486/Linux",
],
$[
"address" : "tock.fh-augsburg.de",
"country" : "DE",
"exact_location" : "Augsburg University of Applied Sciences (FH), Augsburg, Bavaria, Germany",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), i486/Linux",
],
$[
"access_policy" : "Public (glad to receive a note)",
"address" : "hora.oxixares.com",
"country" : "ES",
"exact_location" : "Ogijares (Granada/SPAIN)",
"location" : "Spain",
"stratum" : "2",
"synchronization" : "ntp v4.1.1 secondary (stratum 2)/athlon XP 2500+/SuSE Linux 8.2",
],
$[
"address" : "tick.keso.fi",
"country" : "FI",
"exact_location" : "Keski-Savon Oppimiskeskus, Pieksamaki, Finland, Europe",
"stratum" : "2",
"synchronization" : "NTP-3, i686/Linux",
],
$[
"address" : "tock.keso.fi",
"country" : "FI",
"exact_location" : "Keski-Savon Oppimiskeskus, Pieksamaki, Finland, Europe",
"stratum" : "2",
"synchronization" : "NTP-3, i586/Linux",
],
$[
"access_policy" : "open access, but please send a message to notify",
"address" : "ntp.obspm.fr",
"country" : "FR",
"exact_location" : "BNM-SYRTE, Observatoire de Paris, Paris, France",
"location" : "France/Europe",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum-2), i386/Linux",
],
$[
"access_policy" : "open access, no need to notify",
"address" : "ntp.tuxfamily.net",
"country" : "FR",
"exact_location" : "SFINX or TeleHouse2, Paris, France",
"location" : "France/Europe",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum-2), Debian GNU/Linux ix86",
],
$[
"access_policy" : "open access",
"address" : "ntp.univ-lyon1.fr",
"country" : "FR",
"exact_location" : "CISM, Lyon, France",
"location" : "France, Switzerland, Italy, Europe",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Sun SS10",
],
$[
"access_policy" : "open access/GR, please send a message to notify.",
"address" : "ntp.mfa.gr",
"country" : "GR",
"exact_location" : "Athens, GR",
"location" : "Greece",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), i686/FreeBSD",
],
$[
"access_policy" : "open access",
"address" : "ntp.cuhk.edu.hk",
"coordinates" : "22:25:10N, 114:12:22E",
"country" : "HK",
"exact_location" : "The Chinese University of Hong Kong.",
"location" : "Hong Kong, Taiwan, China, and South East Asia",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), i686/Linux",
],
$[
"access_policy" : "open access, glad to receive a note",
"address" : "os.ntp.carnet.hr",
"country" : "HR",
"exact_location" : "CARNet (Croatian Academic and Research Network), Osijek, Croatia",
"location" : "Croatia/Europe",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), Intel x86/Linux",
],
$[
"access_policy" : "open access, glad to receive a note",
"address" : "ri.ntp.carnet.hr",
"country" : "HR",
"exact_location" : "CARNet (Croatian Academic and Research Network), Rijeka, Croatia",
"location" : "Croatia/Europe",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), Sun Sparc/UNIX",
],
$[
"access_policy" : "open access, glad to receive a note",
"address" : "st.ntp.carnet.hr",
"country" : "HR",
"exact_location" : "CARNet (Croatian Academic and Research Network), Split, Croatia",
"location" : "Croatia/Europe",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), Sun Sparc/Solaris",
],
$[
"access_policy" : "open access, glad to receive a note",
"address" : "zg1.ntp.carnet.hr",
"country" : "HR",
"exact_location" : "CARNet (Croatian Academic and Research Network), Zagreb, Croatia",
"location" : "Croatia/Europe",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), Sun Sparc/Solaris",
],
$[
"access_policy" : "open access, glad to receive a note",
"address" : "zg2.ntp.carnet.hr",
"country" : "HR",
"exact_location" : "CARNet (Croatian Academic and Research Network), Zagreb, Croatia",
"location" : "Croatia/Europe",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), Intel x86/Linux",
],
$[
"access_policy" : "open access, send email to notify.",
"address" : "time.kfki.hu",
"country" : "HU",
"exact_location" : "KFKI Research Institute for Particle and Nuclear Physics, Budapest, Hungary",
"location" : "HUNGARNET",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Sun/Solaris",
],
$[
"access_policy" : "open access, please send a message to notify.",
"address" : "ntp.maths.tcd.ie",
"country" : "IE",
"exact_location" : "School of Mathematics, Trinity College, Dublin, Ireland.",
"location" : "Ireland, UK",
"stratum" : "2",
"synchronization" : "NTPV4 secondary (stratum 2), Intel, FreeBSD 2.2",
],
$[
"address" : "ntps.net4u.it",
"country" : "IT",
"exact_location" : "4u Srl, Vercelli, Italy",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Linux 2 on Intel PIII 500MHz",
],
$[
"access_policy" : "open access",
"address" : "ntp.doubleukay.com",
"country" : "MY",
"exact_location" : "Cyberjaya, Malaysia",
"location" : "Malaysia",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), Intel/Linux",
],
$[
"access_policy" : "open access",
"address" : "fartein.ifi.uio.no",
"coordinates" : "59:56:32N, 10:43:22E",
"country" : "NO",
"exact_location" : "University of Oslo, Norway",
"location" : "NORDUnet",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), DEC Alpha OSF/1 V4.0",
],
$[
"access_policy" : "Open access within New Zealand, send email to notify.",
"address" : "ntp.iprolink.co.nz",
"country" : "NZ",
"exact_location" : "Iprolink, CBD, Auckland, New Zealand",
"location" : "New Zealand",
"stratum" : "2",
],
$[
"access_policy" : "Open access within New Zealand",
"address" : "ntp.massey.ac.nz",
"country" : "NZ",
"exact_location" : "Massey University, Palmerston North, New Zealand",
"location" : "New Zealand",
"stratum" : "2",
],
$[
"access_policy" : "Open access within New Zealand, send email to notify.",
"address" : "ntp.public.otago.ac.nz",
"country" : "NZ",
"exact_location" : "University of Otago, Dunedin, New Zealand",
"location" : "New Zealand",
"stratum" : "2",
],
$[
"access_policy" : "Open access within New Zealand, send email to notify.",
"address" : "tk1.ihug.co.nz",
"country" : "NZ",
"exact_location" : "ihug, Central city, Auckland, New Zealand",
"location" : "New Zealand",
"stratum" : "2",
],
$[
"address" : "info.cyf-kr.edu.pl",
"country" : "PL",
"exact_location" : "Academic Computer Centre, CYFRONET, Krakow, Poland",
"location" : "Poland/Europe",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), HP/Unix",
],
$[
"address" : "ntp.psn.ru",
"coordinates" : "54:50N, 37:37E",
"country" : "RU",
"exact_location" : "Pushchino, Moscow region, Russia",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Alpha/Linux",
],
$[
"access_policy" : "open access, send email to notify. Please limit access to one or two hosts per site (large sites should set up their own ntp server)",
"address" : "ntp.lth.se",
"country" : "SE",
"exact_location" : "Lund Institute of Technology, Lund, Sweden",
"location" : "Sweden, NORDUnet",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Sun/Solaris",
],
$[
"access_policy" : "Open access",
"address" : "time.flygplats.net",
"country" : "SE",
"exact_location" : "flygplats.net, Sigtuna, Sweden",
"location" : "Europe",
"stratum" : "2",
"synchronization" : "NTP V4 secondary, i386, FreeBSD",
],
$[
"access_policy" : "open access, please send a message to notify",
"address" : "biofiz.mf.uni-lj.si",
"coordinates" : "46:03:09N, 14:30:40E",
"country" : "SI",
"exact_location" : "Institute of Biophysics, University of Ljubljana, Slovenia",
"location" : "Slovenia/Europe",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), IBM/Linux",
],
$[
"access_policy" : "open access with some restrictions (see <a href=\"http://www.arnes.si/english/ntp_access.html\">http://www.arnes.si/english/ntp_access.html</a>)",
"address" : "ntp1.arnes.si",
"country" : "SI",
"exact_location" : "ARNES (Academic and Research Network of Slovenia), Ljubljana, Slovenia",
"location" : "Slovenia/Europe",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), Sun Sparc/Solaris",
],
$[
"access_policy" : "open access with some restrictions (see <a href=\"http://www.arnes.si/english/ntp_access.html\">http://www.arnes.si/english/ntp_access.html</a>)",
"address" : "ntp2.arnes.si",
"country" : "SI",
"exact_location" : "ARNES (Academic and Research Network of Slovenia), Ljubljana, Slovenia",
"location" : "Slovenia/Europe",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), Sun Sparc/Solaris",
],
$[
"access_policy" : "open access, glad to receive a note",
"address" : "time.ijs.si",
"coordinates" : "46:02:35N, 14:29:17E (WGS84)",
"country" : "SI",
"exact_location" : "J. Stefan Institute, Ljubljana, Slovenia",
"location" : "Slovenia/Europe",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), DEC Alpha / Digital Unix",
],
$[
"access_policy" : "open access, glad to receive a note",
"address" : "time.ijs.si",
"country" : "SI",
"exact_location" : "J. Stefan Institute, Ljubljana, SloveniaGeographic Coordinates: 46° 2.517'N, 14° 29.241'E (WGS84)",
"location" : "Slovenia/Europe",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), Compaq (DEC) Alpha / Tru64 Unix with <a href=\"http://www.unix.digital.com/faqs/publications/base_doc/DOCUMENTATI%20ON/HTML/APS33DTE_html/DOCU_007.HTM#high-res-clock-sec\">MICRO_TIME kernel option</a>",
],
$[
"access_policy" : "open access",
"address" : "a.ntp.alphazed.net",
"country" : "UK",
"exact_location" : "Telehouse, London E14",
"location" : "all areas",
"stratum" : "2",
"synchronization" : "NTP 4, FreeBSD",
],
$[
"access_policy" : "Open access Please, send a mail to notify.",
"address" : "time.deu.edu.tr",
"country" : "TR",
"exact_location" : "Dokuz Eylul University, Izmir, Turkey",
"location" : "Turkey",
"stratum" : "2",
"synchronization" : "NTP V4 Secondary (stratum 2), Sun SPARC10/Solaris,",
],
$[
"access_policy" : "Open Access",
"address" : "bear.zoo.bt.co.uk",
"country" : "UK",
"exact_location" : "BT Adastral Park, Ipswich, England",
"location" : "UK",
"stratum" : "2",
],
$[
"access_policy" : "open access",
"address" : "ntp.cis.strath.ac.uk",
"coordinates" : "04:14W, 55:52N",
"country" : "UK",
"exact_location" : "Dept. Computer and Information Sciences, University of Strathclyde, Glasgow, Scotland.",
"location" : "UK/Europe",
"stratum" : "2",
"synchronization" : "NTP V4 secondary",
],
$[
"access_policy" : "Open Access",
"address" : "ntp2a.mcc.ac.uk",
"country" : "UK",
"exact_location" : "University of Manchester, Manchester, England",
"location" : "UK",
"stratum" : "2",
"synchronization" : "NTP secondary (S2), Sun/SunOS",
],
$[
"access_policy" : "Open Access",
"address" : "ntp2b.mcc.ac.uk",
"country" : "UK",
"exact_location" : "University of Manchester, Manchester, England",
"location" : "UK",
"stratum" : "2",
"synchronization" : "NTP secondary (S2), PC/FreeBSD",
],
$[
"access_policy" : "Open Access",
"address" : "ntp2c.mcc.ac.uk",
"country" : "UK",
"exact_location" : "University of Manchester, Manchester, England",
"location" : "UK",
"stratum" : "2",
"synchronization" : "NTP secondary (S2), PC/FreeBSD",
],
$[
"access_policy" : "Open Access",
"address" : "ntp2d.mcc.ac.uk",
"country" : "UK",
"exact_location" : "University of Manchester, Manchester, England",
"location" : "UK",
"stratum" : "2",
"synchronization" : "NTP secondary (S2), SGI/Irix",
],
$[
"address" : "ntp",
"country" : "UK",
"exact_location" : "Telehouse Europe, London E14.Geographic Coordinates: 51°30.71'N 0°00.08'W",
"stratum" : "2",
],
$[
"access_policy" : "Semi-open access. These are primarily for use by UUNET customers who may use them without asking, but others are welcome to peer if they give notice.",
"address" : "ntp0.uk.uu.net",
"country" : "UK",
"exact_location" : "Cambridge, UK",
"location" : "UUNET (formerly known in the UK as PIPEX); UK",
"stratum" : "2",
],
$[
"access_policy" : "Semi-open access. These are primarily for use by UUNET customers who may use them without asking, but others are welcome to peer if they give notice.",
"address" : "ntp1.uk.uu.net",
"country" : "UK",
"exact_location" : "Cambridge, UK",
"location" : "UUNET (formerly known in the UK as PIPEX); UK",
"stratum" : "2",
],
$[
"access_policy" : "Semi-open access. These are primarily for use by UUNET customers who may use them without asking, but others are welcome to peer if they give notice.",
"address" : "ntp2.uk.uu.net",
"country" : "UK",
"exact_location" : "London, UK",
"location" : "UUNET (formerly known in the UK as PIPEX); UK",
"stratum" : "2",
],
$[
"access_policy" : "Open access. Please limit access to one or two hosts per site (large sites should set up their own ntp server)",
"address" : "dewey.lib.ci.phoenix.az.us",
"country" : "US",
"exact_location" : "Phoenix, AZ",
"location" : "North America",
"state" : "AZ ",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2) P-III/Linux 2.4",
],
$[
"access_policy" : "open access",
"address" : "clock.sjc.he.net",
"country" : "US",
"exact_location" : "Hurricane Electric, San Jose, California",
"location" : "all areas",
"state" : "CA ",
"stratum" : "2",
"synchronization" : "NTP V4 primary (CDMA), Endrun Praecis CNTP",
],
$[
"access_policy" : "open access, please send a message to notify.",
"address" : "ntp.ucsd.edu",
"country" : "US",
"exact_location" : "UCSD Academic Computing Services/Network Operations, San Diego, CA",
"location" : "CERFNET; NSFNET, SDSC region and nearby",
"state" : "CA ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2)",
],
$[
"access_policy" : "Open Access, please drop us a note so we can add you to our mailing list.",
"address" : "ntp1.mainecoon.com",
"coordinates" : "39:56.863N, 120:54.657W",
"country" : "US",
"exact_location" : "Quincy, California",
"location" : "North America",
"state" : "CA ",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2) P-II/X86 Solaris 2.7",
],
$[
"access_policy" : "open access, please send a message to notify",
"address" : "ntp1.sf-bay.org",
"country" : "US",
"exact_location" : "San Jose, CA",
"location" : "North America: Northern California and Pacific Northwest",
"state" : "CA ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), FreeBSD",
],
$[
"access_policy" : "open access, please send a message to notify",
"address" : "ntp2.sf-bay.org",
"country" : "US",
"exact_location" : "Los Angeles, CA",
"location" : "North America: Southern California",
"state" : "CA ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), FreeBSD",
],
$[
"access_policy" : "open access, please send a message to notify.",
"address" : "ntp.ucsd.edu",
"country" : "US",
"exact_location" : "UCSD Academic Computing Services/Network Operations, San Diego, CA",
"location" : "CERFNET; NSFNET, SDSC region and nearby",
"state" : "CA ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2)",
],
$[
"access_policy" : "Open to stratum 2 servers, others upon request.",
"address" : "reloj.kjsl.com",
"country" : "US",
"exact_location" : "Salinas, CA, USA",
"state" : "CA ",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), MultiNet on VMS",
],
$[
"access_policy" : "open access.",
"address" : "ntp1.tummy.com",
"country" : "US",
"exact_location" : "tummy.com, ltd., Fort Collins, CO",
"location" : "US",
"state" : "CO ",
"stratum" : "2",
"synchronization" : "NTP Secondary (stratum 2), i686/Linux",
],
$[
"access_policy" : "open access",
"address" : "louie.udel.edu",
"country" : "US",
"exact_location" : "University of Delaware, Newark, DE",
"location" : "CAIRN, Abilene/vBNS",
"state" : "DE ",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Sun SPARC10/Solaris 2.6",
],
$[
"access_policy" : "open access, please send a message with the hostname and/or address of your NTP client to notify.",
"address" : "rolex.usg.edu",
"country" : "US",
"exact_location" : "University System of Georgia NOC, Atlanta, GA",
"location" : "PeachNet (Georgia)",
"state" : "GA ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2)",
],
$[
"access_policy" : "open access, please send a message with the hostname and/or address of your NTP client to notify.",
"address" : "timex.usg.edu",
"country" : "US",
"exact_location" : "University System of Georgia NOC, Atlanta, GA",
"location" : "PeachNet (Georgia)",
"state" : "GA ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2)",
],
$[
"access_policy" : "open access",
"address" : "ntp-0.cso.uiuc.edu",
"country" : "US",
"exact_location" : "University of Illinois, Urbana-Champaign, IL",
"location" : "CICNET, Midwest, NCSA region",
"state" : "IL ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Cisco-ASM/4",
],
$[
"access_policy" : "open access",
"address" : "ntp-1.cso.uiuc.edu",
"country" : "US",
"exact_location" : "University of Illinois, Urbana-Champaign, IL",
"location" : "CICNET, Midwest, NCSA region",
"state" : "IL ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Cisco-ASM/4",
],
$[
"address" : "ntp-1.mcs.anl.gov",
"country" : "US",
"exact_location" : "Argonne National Laboratory, near Chicago, IL",
"location" : "NSF/ANSNet, CICNet, NetIllinois, ESNet, others welcome",
"state" : "IL ",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Sun Sparcstation",
],
$[
"access_policy" : "open access",
"address" : "ntp-2.cso.uiuc.edu",
"country" : "US",
"exact_location" : "University of Illinois, Urbana-Champaign, IL",
"location" : "CICNET, Midwest, NCSA region",
"state" : "IL ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Cisco-ASM/4",
],
$[
"access_policy" : "open access, please send a message to notify",
"address" : "ntp-2.mcs.anl.gov",
"country" : "US",
"exact_location" : "Argonne National Laboratory, near Chicago, IL",
"location" : "NSF/ANSNet, CICNet, NetIllinois, ESNet, others welcome",
"state" : "IL ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Sun Sparcstation 2",
],
$[
"access_policy" : "Open access but please see our <a href=\"http://ntp.cerias.purdue.edu\">ntp WWW page</a>.",
"address" : "tick.cerias.purdue.edu",
"coordinates" : "40:25:33.2N, 86:54:54.7W (GPS)",
"country" : "US",
"exact_location" : "CERIAS, Purdue University, West Lafayette, IN",
"location" : "Internet2, CIC and midwest US",
"state" : "IN ",
"stratum" : "2",
"synchronization" : "NTP V3/V4 stratum 2 servers",
],
$[
"address" : "ntp1.kansas.net",
"country" : "US",
"exact_location" : "KansasNet OnLine Services, Manhattan, KS",
"state" : "KS ",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Linux on Intel",
],
$[
"address" : "ntp2.kansas.net",
"country" : "US",
"exact_location" : "KansasNet OnLine Services, Manhattan, KS",
"state" : "KS ",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Linux on Intel",
],
$[
"access_policy" : "open access",
"address" : "ntp.ourconcord.net",
"country" : "US",
"exact_location" : "Concord, MA",
"location" : "Eastern time zone",
"state" : "MA ",
"stratum" : "2",
"synchronization" : "NTP v4 stratum 2, Linux",
],
$[
"access_policy" : "open access, please send a message to notify.",
"address" : "ns.nts.umn.edu",
"country" : "US",
"exact_location" : "Minneapolis, MN",
"location" : "CICNET region",
"state" : "MN ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Sun/SunOS 4.1.3",
],
$[
"access_policy" : "open access, please send a message to notify.",
"address" : "nss.nts.umn.edu",
"country" : "US",
"exact_location" : "St Paul, MN",
"location" : "CICNET region",
"state" : "MN ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Sun/SunOS 4.1.3",
],
$[
"access_policy" : "open access, please send a message to notify",
"address" : "time-ext.missouri.edu",
"country" : "US",
"exact_location" : "University of Missouri-Columbia, Columbia, MO, USA",
"location" : "MOREnet",
"state" : "MO ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Linux/Intel",
],
$[
"access_policy" : "open access, please send message to notify",
"address" : "chronos1.umt.edu",
"country" : "US",
"exact_location" : "University of Montana, Missoula, Montana",
"location" : "Northwest USA, Internet 2",
"state" : "MT ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Cisco 7507",
],
$[
"access_policy" : "open access, please send message to notify",
"address" : "chronos2.umt.edu",
"country" : "US",
"exact_location" : "University of Montana, Missoula, Montana",
"location" : "Northwest USA, Internet 2",
"state" : "MT ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Cisco 7507",
],
$[
"access_policy" : "open access, please send message to notify",
"address" : "chronos3.umt.edu",
"country" : "US",
"exact_location" : "University of Montana, Missoula, Montana",
"location" : "Northwest USA, Internet 2",
"state" : "MT ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Cisco 7507",
],
$[
"access_policy" : "CONCERT region, others by prior arrangement",
"address" : "clock1.unc.edu",
"coordinates" : "35:54N, 79:03W",
"country" : "US",
"exact_location" : "University of North Carolina-Chapel Hill, Chapel Hill, NC",
"location" : "CONCERT region",
"state" : "NC ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Sun4/SunOS/xntpd (V3)",
],
$[
"access_policy" : "Open access; please send a message to notify.",
"address" : "tick.jrc.us",
"coordinates" : "41 00.975 N, 74 15.262 W",
"country" : "US",
"exact_location" : "Jensen Research Corporation, Oakland NJ",
"location" : "Eastern US",
"state" : "NJ ",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Cisco 3620 IOS 12.2",
],
$[
"access_policy" : "Open access; please send a message to notify.",
"address" : "tock.jrc.us",
"coordinates" : "41 00.975 N, 74 15.262 W",
"country" : "US",
"exact_location" : "Jensen Research Corporation, Oakland NJ",
"location" : "Eastern US",
"state" : "NJ ",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), Intel PIII/866 Win2K",
],
$[
"access_policy" : "open access, please send message to notify",
"address" : "cuckoo.nevada.edu",
"country" : "US",
"exact_location" : "University of Nevada System Computing Services, Las Vegas,NV",
"location" : "NevadaNet, NSFNET, SDSC region",
"state" : "NV ",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), DEC Alpha/Unix",
],
$[
"access_policy" : "open access",
"address" : "clock.nyc.he.net",
"country" : "US",
"exact_location" : "Hurricane Electric, New York City, New York",
"location" : "all areas",
"state" : "NY ",
"stratum" : "2",
"synchronization" : "NTP V4 primary (CMDA), Endrun Praecis CNTP",
],
$[
"access_policy" : "open access",
"address" : "ntp0.cornell.edu",
"country" : "US",
"exact_location" : "Cornell University, Ithaca, NY",
"location" : "NYSERNet, NYSERNet 2000, Internet2/Abilene, vBNS",
"state" : "NY ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Sun/Unix",
],
$[
"access_policy" : "open access",
"address" : "reva.sixgirls.org",
"coordinates" : "40:42:20N, 74:0:40W",
"country" : "US",
"exact_location" : "The NYITC Building, 55 Broad Street, New York City, NY",
"location" : "New York, New Jersey, Connecticut, Long Island areas",
"state" : "NY ",
"stratum" : "2",
"synchronization" : "NTP V4 secondary (stratum 2), m68k/NetBSD",
],
$[
"access_policy" : "open access; please use name rather than address.",
"address" : "sundial.columbia.edu",
"country" : "US",
"exact_location" : "Morningside Campus, Columbia University, New York, NY",
"location" : "NYSERnet",
"state" : "NY ",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Sun Sparc10 model 40",
],
$[
"access_policy" : "open access, authenticated NTP (DES/MD5) available",
"address" : "timex.cs.columbia.edu",
"country" : "US",
"exact_location" : "Columbia University Computer Science Department, New York City, NY",
"location" : "PSINET; NSFNET, NYSER region",
"state" : "NY ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Sun/Unix",
],
$[
"access_policy" : "semi-open access; for use only by prior arrangement",
"address" : "clock-1.cs.cmu.edu",
"country" : "US",
"exact_location" : "Carnegie Mellon University Computer Science, Pittsburgh, PA",
"location" : "PSC region",
"state" : "PA ",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Sun Sparc/Solaris 2.5.1",
],
$[
"access_policy" : "semi-open access; for use only by prior arrangement",
"address" : "clock-2.cs.cmu.edu",
"country" : "US",
"exact_location" : "Carnegie Mellon University Computer Science, Pittsburgh, PA",
"location" : "PSC region",
"state" : "PA ",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Sun Sparc/SunOS 4.1.4",
],
$[
"access_policy" : "open access",
"address" : "clock.psu.edu",
"coordinates" : "40:47:58.1N, 77:51:44.8W (USGS 40077-G7-TF-024)",
"country" : "US",
"exact_location" : "Penn State University, University Park, PA",
"location" : "Internet2, vBNS, CERFnet(AT & T IP Services), PSC/NCNE, CASC.",
"state" : "PA ",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Sun/Unix",
],
$[
"address" : "fuzz.psc.edu",
"country" : "US",
"exact_location" : "Pittsburgh Supercomputing Center, Pittsburgh, PA",
"state" : "PA ",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), DEC5000/200",
],
$[
"access_policy" : "open access",
"address" : "ntp-1.ece.cmu.edu",
"coordinates" : "40:26N, 79:57W",
"country" : "US",
"exact_location" : "Carnegie Mellon Electrical and Computer Engineering, Pittsburgh, PA",
"location" : "PREPNET, PSC region",
"state" : "PA ",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Solaris 9",
],
$[
"access_policy" : "open access",
"address" : "ntp-2.ece.cmu.edu",
"coordinates" : "40:26N, 79:57W",
"country" : "US",
"exact_location" : "Carnegie Mellon Electrical and Computer Engineering, Pittsburgh, PA",
"location" : "PREPNET, PSC region",
"state" : "PA ",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), Solaris 9",
],
$[
"access_policy" : "open access to other stratum 2 servers and upstream for statum 3 servers;not to be used for individual servers;please notify before use",
"address" : "ntp.tmc.edu",
"country" : "US",
"exact_location" : "Baylor College of Medicine, Houston, TX",
"location" : "NSFNET, SESQUI region",
"state" : "TX ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Sun/Solaris",
],
$[
"address" : "ntppub.tamu.edu",
"country" : "US",
"exact_location" : "Texas A&M University, College Station, TX",
"state" : "TX ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2, ver. 3), SPARCstation 10/Solaris 1.x",
],
$[
"access_policy" : "open access for any server with 50+ clients",
"address" : "tick.greyware.com",
"country" : "US",
"exact_location" : "Greyware Automation Products, Plano, TX",
"location" : "South-Central US, others by arrangement",
"state" : "TX ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Windows NT",
],
$[
"access_policy" : "open access for any server with 50+ clients",
"address" : "tock.greyware.com",
"country" : "US",
"exact_location" : "Greyware Automation Products, Plano, TX",
"location" : "South-Central US, others by arrangement",
"state" : "TX ",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), Windows NT",
],
$[
"access_policy" : "open access",
"address" : "ntp-1.vt.edu",
"country" : "US",
"exact_location" : "Virginia Tech, Blacksburg, Virginia, USA",
"location" : "US southeastern region, Abilene",
"state" : "VA ",
"stratum" : "2",
"synchronization" : "V3 Stratum 2 synced to local GPS primary servers",
],
$[
"access_policy" : "open access",
"address" : "ntp-2.vt.edu",
"country" : "US",
"exact_location" : "Virginia Tech, Blacksburg, Virginia, USA",
"location" : "US southeastern region, Abilene",
"state" : "VA ",
"stratum" : "2",
"synchronization" : "V3 Stratum 2 synced to local GPS primary servers",
],
$[
"access_policy" : "open access",
"address" : "ntp-3.vt.edu",
"country" : "US",
"exact_location" : "Virginia Tech, Blacksburg, Virginia, USA",
"location" : "US southeastern region, Abilene",
"state" : "VA ",
"stratum" : "2",
"synchronization" : "V3 Stratum 2 synced to local GPS primary servers",
],
$[
"access_policy" : "open access",
"address" : "ntp-4.vt.edu",
"country" : "US",
"exact_location" : "Virginia Tech, Blacksburg, Virginia, USA",
"location" : "US southeastern region, Abilene",
"state" : "VA ",
"stratum" : "2",
"synchronization" : "V3 Stratum 2 synced to local GPS primary servers",
],
$[
"access_policy" : "open access",
"address" : "ntp1.cs.wisc.edu",
"coordinates" : "89:24:30W, 43:08:00N",
"country" : "US",
"exact_location" : "Computer Science Department, University of Wisconsin-Madison",
"location" : "US/any",
"state" : "WI ",
"stratum" : "2",
"synchronization" : "NTP V4 secondary Solaris 2.7",
],
$[
"access_policy" : "open access",
"address" : "ntp3.cs.wisc.edu",
"coordinates" : "89:24:30W, 43:08:00N",
"country" : "US",
"exact_location" : "Computer Science Department, University of Wisconsin-Madison",
"location" : "US/any",
"state" : "WI ",
"stratum" : "2",
"synchronization" : "NTP V4 secondary Solaris 2.7",
],
$[
"address" : "ntp.cs.unp.ac.za",
"country" : "ZA",
"exact_location" : "Natal University, Pietermaritzburg, South Africa",
"stratum" : "2",
"synchronization" : "NTP V3 secondary (stratum 2), SGI Indy/Irix6.2",
],
$[
"access_policy" : "open access",
"address" : "tock.nml.csir.co.za",
"coordinates" : "25,7461 S 28,2770 E (WGS-84)",
"country" : "ZA",
"exact_location" : "Pretoria, South Africa",
"location" : "Southern Africa",
"stratum" : "2",
"synchronization" : "NTP secondary (stratum 2), i386/FreeBSD",
],
$[
"address" : "ntp0.coreng.com.au",
"coordinates" : "33:50S 151:09E",
"country" : "AU",
"exact_location" : "Corinthian Engineering P/L, Sydney Australia.",
"stratum" : "1",
"synchronization" : "NTP V4 primary (Trimble Acutime GPS+PPS), i386/FreeBSD 4-STABLE.",
],
$[
"address" : "ntp0.cs.mu.OZ.AU",
"coordinates" : "37:48:09.60S 144:57:29.50E",
"country" : "AU",
"exact_location" : "The University of Melbourne, Melbourne, Australia",
"stratum" : "1",
"synchronization" : "NTP V4 primary (Trimble Acutime GPS), i386/NetBSD 1.6",
],
$[
"access_policy" : "Open access, please limit to two peer hosts (preferentially stratum 2 servers) per domain. Clients (end-users) should use only stratum 2 servers for synchronization.",
"address" : "ntps1.pads.ufrj.br",
"country" : "BR",
"exact_location" : "Laboratory for the Processing of Analog and Digital Signals (PADS), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.Geographic Coordinates: Lat: 22°51.7031'S. Lon: 043°13.7045'W. Alt: 25m.",
"location" : "Brazil, Latin America and Caribbean.",
"stratum" : "1",
"synchronization" : "NTP V4 Primary (Garmin Etrex GPS with RA-46 system and 1 PPS external stabilized oscillator), PC/Linux with nanokernel.",
],
$[
"access_policy" : "open to stratum2 time servers, others by arrangement.",
"address" : "clock.uregina.ca",
"coordinates" : "50:25N , 104:35W",
"country" : "CA",
"exact_location" : "University of Regina, Regina, Saskatchewan, Canada",
"location" : "SASK#net, CA*net, Canada",
"stratum" : "1",
"synchronization" : "NTP V4 Primary (GPS clock), PC/FreeBSD",
],
$[
"access_policy" : "open access, prior arrangment required",
"address" : "tick.usask.ca",
"coordinates" : "52:08:01N,106:38:11W",
"country" : "CA",
"exact_location" : "University oc Saskatchewan, Saskatoon, Saskatchewan, SK, Canada",
"location" : "SASK#net, CA*net, Canada",
"stratum" : "1",
"synchronization" : "NTP V3 Primary (GOES clock), DEC Mips/Unix",
],
$[
"access_policy" : "open access, prior arrangment required",
"address" : "tock.usask.ca",
"coordinates" : "52:08:01N,106:38:11W",
"country" : "CA",
"exact_location" : "University oc Saskatchewan, Saskatoon, Saskatchewan, SK, Canada",
"location" : "SASK#net, CA*net, Canada",
"stratum" : "1",
"synchronization" : "NTP V3 Primary (GOES clock), DEC Mips/Unix",
],
$[
"access_policy" : "open access, please send a message to notify",
"address" : "ntp.metas.ch",
"coordinates" : "N 46:55:25 E 07:27:51",
"country" : "CH",
"exact_location" : "Federal Office of Metrology and Accreditation Switzerland (METAS), Bern, Switzerland",
"location" : "Switzerland, others by arrangement",
"stratum" : "1",
"synchronization" : "radiosynchronized receiver locked to HBG transmitter and ACTS dial-up link to METAS T&lab UTC(CH)",
],
$[
"access_policy" : "open access",
"address" : "swisstime.ethz.ch",
"coordinates" : "47:23N, 8:32E",
"country" : "CH",
"exact_location" : "Integrated Systems Laboratory, Swiss Fed. Inst. of Technology, CH 8092 Zurich, Switzerland",
"location" : "Switzerland/Europe",
"stratum" : "1",
"synchronization" : "NTP primary (DCF77 clock), Sun-4/SunOS 4.1.4",
],
$[
"access_policy" : "open access",
"address" : "ntp.shoa.cl",
"country" : "CL",
"location" : "Chile",
"stratum" : "1",
"synchronization" : "NTP V4 primary (GPS Clock), i386 Redhat Linux",
],
$[
"access_policy" : "open to servers providing synchronization to ten or more hosts, others by arrangement",
"address" : "ntp.cesnet.cz",
"country" : "CZ",
"stratum" : "1",
"synchronization" : "NTP V4 primary (Garmin GPS35), PC / Linux with nanokernel<br>Service Area: Czech Republic and Slovakia, European academic community",
],
$[
"access_policy" : "open access",
"address" : "ntps1-0.cs.tu-berlin.de",
"coordinates" : "52.518N 13.326E",
"country" : "DE",
"exact_location" : "Technische Universitaet Berlin, D-10587 Berlin, FRG",
"location" : "Germany/Europe",
"stratum" : "1",
"synchronization" : "NTP V3 primary (Meinberg GPS 166), Sun 4/65 SunOS4.1.3",
],
$[
"access_policy" : "open access",
"address" : "ntps1-1.cs.tu-berlin.de",
"coordinates" : "52.518N 13.326E",
"country" : "DE",
"exact_location" : "Technische Universitaet Berlin, D-10587 Berlin, FRG",
"location" : "Germany/Europe",
"stratum" : "1",
"synchronization" : "NTP V3 primary (Meinberg GPS 166), SunS10-402 SunOS5.4",
],
$[
"access_policy" : "open access, please send a message to notify.",
"address" : "ptbtime1.ptb.de",
"country" : "DE",
"exact_location" : "Physikalisch-Technische Bundesanstalt (PTB), Braunschweig, Germany",
"location" : "Germany/Europe, others by arrangement",
"stratum" : "1",
"synchronization" : "NTP V3 primary (Primary standards CS1, CS2), HP9000/744/HP-UX",
],
$[
"access_policy" : "open access, please send a message to notify.",
"address" : "ptbtime2.ptb.de",
"country" : "DE",
"exact_location" : "Physikalisch-Technische Bundesanstalt (PTB), Braunschweig, Germany",
"location" : "Germany/Europe, others by arrangement",
"stratum" : "1",
"synchronization" : "NTP V3 primary (PTB's primary standards CS1, CS2), HP9000/744/HP-UX",
],
$[
"access_policy" : "open, preferred for stratum-2 servers providing synchronization to local networks; appreciate email notification",
"address" : "rustime01.rus.uni-stuttgart.de",
"coordinates" : "48:47N, 9:10E",
"country" : "DE",
"exact_location" : "Computer Center University of Stuttgart, D-70550 Stuttgart, Germany",
"location" : "Germany/Europe",
"stratum" : "1",
"synchronization" : "NTP V3 primary (Meinberg DCF-77 PZF 535/TCXO), IBM RS6000-250, AIX 4.x",
],
$[
"access_policy" : "open access to stratum-2 servers, send a message to notify",
"address" : "chronos.cru.fr",
"country" : "FR",
"exact_location" : "University of Rennes 1, Britany, France",
"location" : "France/Europe",
"stratum" : "1",
"synchronization" : "NTP V3, Datum TymServe 2100L with GPS",
],
$[
"access_policy" : "open access to stratum-2 servers, but please send a message to notify",
"address" : "ntp-p1.obspm.fr",
"country" : "FR",
"exact_location" : "BNM-SYRTE, Observatoire de Paris, Paris, France",
"location" : "France/Europe",
"stratum" : "1",
"synchronization" : "NTP V3, Datum TymServe 2100 with 1PPS",
],
$[
"access_policy" : "open to servers providing synchronization to reasonnable size networks (>10 hosts).",
"address" : "ntp-sop.inria.fr",
"country" : "FR",
"exact_location" : "INRIA, Sophia Antipolis (French Riviera, near Nice), France",
"location" : "RENATER, R3T2, France/Europe",
"stratum" : "1",
"synchronization" : "NTP V3 primary (GPS), PC/Linux",
],
$[
"address" : "ntp1.curie.fr",
"country" : "FR",
"exact_location" : "Institut Curie, Section de Recherche, Paris, France.",
"stratum" : "1",
"synchronization" : "Coetanian TSS100 NTP V3 GPS",
],
$[
"address" : "ntp2.curie.fr",
"country" : "FR",
"exact_location" : "Institut Curie, Section de Recherche, Paris, France.",
"stratum" : "1",
"synchronization" : "Datum 2100L NTP V3 GPS",
],
$[
"address" : "ntp3.curie.fr",
"country" : "FR",
"exact_location" : "Institut Curie, Section de Recherche, Paris, France.",
"stratum" : "1",
"synchronization" : "Truetime NTS100 GPS",
],
$[
"access_policy" : "open access, please send a message to notify",
"address" : "ntp-galway.hea.net",
"country" : "IE",
"exact_location" : "Dept. of Information Technology, National University of Ireland, Galway, Ireland",
"location" : "Ireland, UK",
"stratum" : "1",
"synchronization" : "NTPV4 primary (Trimble Acutime GPS), Intel, Linux 6.2",
],
$[
"access_policy" : "open access, pick one of ntp{1,2}.ien.it; please send a message to notify",
"address" : "ntp1.ien.it",
"country" : "IT",
"exact_location" : "IEN Galileo Ferraris, Torino, Italy",
"location" : "Italy/Europe",
"stratum" : "1",
"synchronization" : "NTP primary (Cesium Beam Frequency Standard), PC/Linux",
],
$[
"access_policy" : "open access, pick one of ntp{1,2}.ien.it; please send a message to notify",
"address" : "ntp2.ien.it",
"country" : "IT",
"exact_location" : "IEN Galileo Ferraris, Torino, Italy",
"location" : "Italy/Europe",
"stratum" : "1",
"synchronization" : "NTP primary (Cesium Beam Frequency Standard), PC/Linux",
],
$[
"access_policy" : "open access",
"address" : "clock.nc.fukuoka-u.ac.jp",
"country" : "JP",
"exact_location" : "Fukuoka university, Fukuoka, Japan",
"location" : "Japan/Pacific area",
"stratum" : "1",
"synchronization" : "NTP V3.3 primary (GPS clock), Heliostation 400/SunOS 4.1.3",
],
$[
"access_policy" : "open access",
"address" : "clock.tl.fukuoka-u.ac.jp",
"country" : "JP",
"exact_location" : "Fukuoka university, Fukuoka, Japan",
"location" : "Japan/Pacific area",
"stratum" : "1",
"synchronization" : "NTP V3.3 primary (GPS clock), Heliostation 400/SunOS 4.1.3",
],
$[
"address" : "cronos.cenam.mx",
"country" : "MX",
"exact_location" : "Centro Nacional de Metrologia, Queretaro, Mexico",
"location" : "All Mexico and USA",
"stratum" : "1",
"synchronization" : "Interlock algorithm with direct 1 pps from rimary",
],
$[
"access_policy" : "open access",
"address" : "ntp0.nl.net",
"country" : "NL",
"exact_location" : "NLnet, Amsterdam, The Netherlands",
"location" : "The Netherlands/Europe",
"stratum" : "1",
"synchronization" : "NTP primary (GPS), Sun/Unix SunOS 4.1.3",
],
$[
"access_policy" : "open access",
"address" : "ntp1.nl.net",
"country" : "NL",
"exact_location" : "NLnet, Amsterdam, The Netherlands",
"location" : "The Netherlands/Europe",
"stratum" : "1",
"synchronization" : "NTP primary (GPS), Sun/Unix SunOS 4.1.3",
],
$[
"access_policy" : "open access",
"address" : "ntp2.nl.net",
"country" : "NL",
"exact_location" : "NLnet, Amsterdam, The Netherlands",
"location" : "The Netherlands/Europe",
"stratum" : "1",
"synchronization" : "NTP primary (GPS), Sun/Unix SunOS 4.1.3",
],
$[
"access_policy" : "semi-open access, prior arrangment required",
"address" : "time.service.uit.no",
"country" : "NO",
"exact_location" : "The EDB Centre, University of Tromsoe, Norway",
"location" : "NORDUnet",
"stratum" : "1",
"synchronization" : "NTP V3 primary (GPS clock), HP-UX/Unix",
],
$[
"access_policy" : "open access",
"address" : "ntp.certum.pl",
"coordinates" : "53:26:15N 14:31:58E",
"country" : "PL",
"exact_location" : "Unizeto Sp. z o.o., ul. Krolowej Korony Polskiej 21, 70-486 Szczecin",
"location" : "Poland/Europe",
"stratum" : "1",
"synchronization" : "NTP V4 primary (Meinberg GPS 167/PPS), Linux",
],
$[
"access_policy" : "open access",
"address" : "vega.cbk.poznan.pl",
"country" : "PL",
"exact_location" : "Astrogeodynamical Observatory, Space Research Centre, Borowiec, Poland",
"location" : "Poland/Europe",
"stratum" : "1",
"synchronization" : "NTP V3 primary (Caesium clock), PC Pentium, RedHat Linux",
],
$[
"access_policy" : "open access",
"address" : "ntp1.gbg.netnod.se",
"country" : "SE",
"exact_location" : "Netnod Internet Exchange i Sverige AB, Stockholm, SWEDEN (Exchange point Gothenburg, Sweden)",
"location" : "all areas",
"stratum" : "1",
"synchronization" : "NTP V4 primary (UTC(SP) Swedish National Time Scale via GPS CV),FreeBSD",
],
$[
"access_policy" : "open access",
"address" : "ntp2.gbg.netnod.se",
"country" : "SE",
"exact_location" : "Netnod Internet Exchange i Sverige AB, Stockholm, SWEDEN (Exchange point Gothenburg, Sweden)",
"location" : "all areas",
"stratum" : "1",
"synchronization" : "NTP V4 primary (UTC(SP) Swedish National Time Scale via GPS CV), FreeBSD",
],
$[
"access_policy" : "open access",
"address" : "ntp1.mmo.netnod.se",
"country" : "SE",
"exact_location" : "Netnod Internet Exchange i Sverige AB, Stockholm, SWEDEN (Exchange point Malmoe, Sweden)",
"location" : "all areas",
"stratum" : "1",
"synchronization" : "NTP V4 primary (UTC(SP) Swedish National Time Scale via GPS CV), FreeBSD",
],
$[
"access_policy" : "open access",
"address" : "ntp2.mmo.netnod.se",
"country" : "SE",
"exact_location" : "Netnod Internet Exchange i Sverige AB, Stockholm, SWEDEN (Exchange point Malmoe, Sweden)",
"location" : "all areas",
"stratum" : "1",
"synchronization" : "NTP V4 primary (UTC(SP) Swedish National Time Scale via GPS CV), FreeBSD",
],
$[
"access_policy" : "open access",
"address" : "ntp1.sp.se",
"country" : "SE",
"exact_location" : "SP Swedish National Testing and Research Institute, BORAS, SWEDEN",
"location" : "all areas",
"stratum" : "1",
"synchronization" : "NTP V4 primary (UTC(SP) Swedish National Time Scale), FreeBSD",
],
$[
"access_policy" : "open access",
"address" : "ntp2.sp.se",
"country" : "SE",
"exact_location" : "SP Swedish National Testing and Research Institute, BORAS, SWEDEN",
"location" : "all areas",
"stratum" : "1",
"synchronization" : "NTP V4 primary (UTC(SP) Swedish National Time Scale), FreeBSD",
],
$[
"access_policy" : "open access",
"address" : "ntp1.sth.netnod.se",
"country" : "SE",
"exact_location" : "Netnod Internet Exchange i Sverige AB, Stockholm, SWEDEN (Exchange point Stockholm, Sweden)",
"location" : "all areas",
"stratum" : "1",
"synchronization" : "NTP V4 primary (UTC(SP) Swedish National Time Scale via GPS CV), FreeBSD",
],
$[
"access_policy" : "open access",
"address" : "ntp2.sth.netnod.se",
"country" : "SE",
"exact_location" : "Netnod Internet Exchange i Sverige AB, Stockholm, SWEDEN (Exchange point Stockholm, Sweden)",
"location" : "all areas",
"stratum" : "1",
"synchronization" : "NTP V4 primary (UTC(SP) Swedish National Time Scale via GPS CV), FreeBSD",
],
$[
"access_policy" : "open access",
"address" : "time1.stupi.se",
"country" : "SE",
"exact_location" : "Stupi AB, Stockholm, SWEDEN",
"location" : "SUnet, NORDUnet",
"stratum" : "1",
"synchronization" : "NTP V3 primary (Saphir Cesium Beam Standard/GPS), BSDI Unix",
],
$[
"access_policy" : "open access",
"address" : "time2.stupi.se",
"country" : "SE",
"exact_location" : "Stupi AB, Stockholm, SWEDEN",
"location" : "Europe",
"stratum" : "1",
"synchronization" : "NTP V4 primary (HP5071, FreeBSD)",
],
$[
"access_policy" : "Open to stratum-2 servers and others by arrangement",
"address" : "nets.org.sg",
"country" : "SG",
"exact_location" : "SPRING Singapore",
"location" : "Singapore and Asia",
"stratum" : "1",
"synchronization" : "ACTS dial-up using lockclock algorithm; Compaq Alpha UNIX",
],
$[
"access_policy" : "restricted to servers providing synchronization to ten or more hosts, please send notification before regular use",
"address" : "goodtime.ijs.si",
"country" : "SI",
"exact_location" : "J. Stefan Institute, Ljubljana, SloveniaGeographic Coordinates: 46° 2.517' N, 14° 29.241' E, +363 m (WGS84)",
"location" : "Slovenia, European academic community, others by arrangement",
"stratum" : "1",
"synchronization" : "NTP V4 primary (<a href=\"http://www.trimble.com/products/catalog/timing/ntp.html\">Trimble Palisade GPS</a>), Compaq (DEC) Alpha / Tru64 Unix with <a href=\"http://www.unix.digital.com/faqs/publications/base_doc/DOCUMENTATI%20ON/HTML/APS33DTE_html/DOCU_007.HTM#high-res-clock-sec\">MICRO_TIME kernel option</a>",
],
$[
"access_policy" : "closed access, see notes below.",
"address" : "ntp2.ja.net",
"country" : "UK",
"exact_location" : "University of London Computer Centre, UK",
"location" : "JANET",
"stratum" : "1",
"synchronization" : "NTP V3 primary (MSF clock), Sun/Unix",
],
$[
"access_policy" : "open access for stratum 2 servers",
"address" : "ntp.alaska.edu",
"country" : "US",
"exact_location" : "University of Alaska, Fairbanks, AK (147 50 59.7W 64 51 27.3N WGS84)",
"state" : "AK ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (GPS)",
],
$[
"access_policy" : "open access",
"address" : "clepsydra.dec.com",
"country" : "US",
"exact_location" : "HP Western Research Laboratory, Palo Alto, CA",
"location" : "NSFNET, BARR region",
"state" : "CA ",
"stratum" : "1",
"synchronization" : "NTP V4 primary (GPS)",
],
$[
"access_policy" : "open access",
"address" : "clock.isc.org",
"coordinates" : "122 9 41 W / 37 26 35 N",
"country" : "US",
"exact_location" : "Internet Software Consortium, Palo Alto, CA",
"location" : "BARRnet, Alternet-west, CIX-west",
"state" : "CA ",
"stratum" : "1",
"synchronization" : "NTP primary (GOES clock), BSD UNIX",
],
$[
"access_policy" : "open access",
"address" : "clock.via.net",
"country" : "US",
"exact_location" : "ViaNet Communications, Palo Alto, CA, USA",
"location" : "All areas",
"state" : "CA ",
"stratum" : "1",
"synchronization" : "NTP V3 with Trimble Pasisade GPS receiver/FreeBSD",
],
$[
"access_policy" : "open access for stratum 2 servers",
"address" : "montpelier.ilan.caltech.edu",
"contacts" : "Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil),",
"country" : "US",
"exact_location" : "California Institute of Technology, Pasadena, CA",
"state" : "CA ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (GPS clock)",
],
$[
"access_policy" : "Open access for up to 20 queries per hour (one-day average) from any one address, others by arrangment",
"address" : "nist1.aol-ca.truetime.com",
"country" : "US",
"exact_location" : "AOL Time Warner facility, Sunnyvale, California",
"location" : "Western US",
"state" : "CA ",
"stratum" : "1",
],
$[
"access_policy" : "Open to stratum-2 servers and others by arrangement.",
"address" : "nist1.symmetricom.com",
"country" : "US",
"exact_location" : "Datum Inc., Bancomm-Timing Division, San Jose, California",
"location" : "Primarily networks in Western US",
"state" : "CA ",
"stratum" : "1",
"synchronization" : "ACTS dial-up using lockclock algorithm; DEC Alpha UNIX",
],
$[
"access_policy" : "prior permission required",
"address" : "ntp.nasa.gov",
"country" : "US",
"exact_location" : "NASA Ames Research Center, Moffett Field, CA",
"location" : "NSFNET, BARR region, NASA NSN, DOE ESNET, DDN",
"state" : "CA ",
"stratum" : "1",
"synchronization" : "NTP V3 primary GPS Clock",
],
$[
"access_policy" : "Open to stratum 2 servers for 10 or more hosts, others upon request",
"address" : "tick.gpsclock.com",
"coordinates" : "33:50:26.510N, 118:22:55.245W",
"country" : "US",
"exact_location" : "GPSClock.com headquarters, Redondo Beach, CA",
"location" : "US Pacific, Los Angeles area",
"state" : "CA ",
"stratum" : "1",
"synchronization" : "NTP V4 primary, GPSClock 300 hard PPS, FreeBSD",
],
$[
"address" : "tick.ucla.edu",
"country" : "US",
"exact_location" : "UCLA, Los Angeles, CA",
"state" : "CA ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (GPS) HP9000/747i",
],
$[
"access_policy" : "open access",
"address" : "timekeeper.isi.edu",
"coordinates" : "33:58:49N, 118:26:20W (USGS map NAD27)",
"country" : "US",
"exact_location" : "USC Information Sciences Institute, Marina del Rey, CA",
"location" : "CalRen2, Los Nettos region",
"state" : "CA ",
"stratum" : "1",
"synchronization" : "NTP V3 primary Datum Tymserve 2100-GPS",
],
$[
"address" : "time-a.nist.gov",
"country" : "US",
"state" : "CO ",
"stratum" : "1",
],
$[
"access_policy" : "Open to stratum-2 servers, others by arrangement; please use only one of the servers as primary with the other as a backup.",
"address" : "time-a.timefreq.bldrdoc.gov",
"country" : "US",
"exact_location" : "NIST Boulder Laboratories, Boulder, Colorado",
"location" : "NSFnet, WESTnet",
"state" : "CO ",
"stratum" : "1",
"synchronization" : "Direct 1 pps from clock ensemble; lockclock algorithm and ACTS dial-up as backup; DEC Alpha/UNIX",
],
$[
"access_policy" : "Open to stratum-2 servers, others by arrangement; please use only one of the servers as primary with the other as a backup.",
"address" : "time-b.timefreq.bldrdoc.gov",
"country" : "US",
"exact_location" : "NIST Boulder Laboratories, Boulder, Colorado",
"location" : "NSFnet, WESTnet",
"state" : "CO ",
"stratum" : "1",
"synchronization" : "Direct 1 pps from clock ensemble; lockclock algorithm and ACTS dial-up as backup; DEC Alpha/UNIX",
],
$[
"access_policy" : "Open to servers with at least 10 clients; others by arrangement. please use only one of these servers primary with the other as backup.",
"address" : "time-c.timefreq.bldrdoc.gov",
"country" : "US",
"exact_location" : "NIST Boulder Laboratories, Boulder, Colorado",
"location" : "NSFnet, WESTnet",
"state" : "CO ",
"stratum" : "1",
"synchronization" : "Direct 1 pps from clock ensemble; lockclock algorithm and ACTS dial-up as backup; DEC Alpha/UNIX.",
],
$[
"access_policy" : "open to stratum-2 servers and others by arrangement",
"address" : "time.nist.gov",
"coordinates" : "39:58:43.44N 254:43:32.5E +1840m (WGS 84)",
"country" : "US",
"exact_location" : "National Center for Atmospheric Research, Boulder, Colorado",
"state" : "CO ",
"stratum" : "1",
"synchronization" : "ACTS dial-up with NTP backup, DEC Alpha UNIX Service Area: NSFnet, WESTnet",
],
$[
"access_policy" : "Open to All Colorado users, other stratum-2 servers; others by arrangement",
"address" : "utcnist.colorado.edu",
"country" : "US",
"exact_location" : "JILA Laboratory, University of Colorado",
"location" : "Western US",
"state" : "CO ",
"stratum" : "1",
"synchronization" : "ACTS dial-up using lockclock algorithm; DEC Alpha UNIX",
],
$[
"access_policy" : "open access for stratum 2 servers",
"address" : "ntp2.usno.navy.mil",
"coordinates" : "77 03 57.7W 38 55 14.1N WGS84",
"country" : "US",
"exact_location" : "U.S. Naval Observatory, Washington, DC",
"state" : "DC ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (USNO Master Clocks 1,2, and GPS)",
],
$[
"access_policy" : "open access",
"address" : "tick.usno.navy.mil",
"coordinates" : "38:55:14.01 77:03:58.03 (GPS WGS84)",
"country" : "US",
"exact_location" : "U.S. Naval Observatory, Washington, DC",
"location" : "NSFNET",
"state" : "DC ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (USNO Master Clock 2, H-maser), HP9000/747i",
],
$[
"access_policy" : "open access",
"address" : "tock.usno.navy.mil",
"coordinates" : "38:55:14.01 77:03:58.03 (GPS WGS84)",
"country" : "US",
"exact_location" : "U.S. Naval Observatory, Washington, DC",
"location" : "NSFNET",
"state" : "DC ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (USNO Master Clock 2, H-maser), HP9000/747i",
],
$[
"access_policy" : "closed access, except for stratum-2 servers providing synchronization to local networks of ten or more hosts",
"address" : "ntp1.nss.udel.edu",
"coordinates" : "39:40:35.8N, 75:44:36.6W (GPS WGS 84)",
"country" : "US",
"exact_location" : "University of Delaware, Newark, DE",
"location" : "BBN Planet SER",
"state" : "DE ",
"stratum" : "1",
"synchronization" : "NTP V3 Primary (GPS clock), TrueTime NTS-100-GPS",
],
$[
"access_policy" : "closed access, except for stratum-2 servers providing synchronization to local networks of ten or more hosts",
"address" : "rackety.udel.edu",
"coordinates" : "39:40:48.425N, 75:45:02.392W (GPS WGS84)",
"country" : "US",
"exact_location" : "University of Delaware, Newark, DE",
"location" : "CAIRN, Abilene/vBNS",
"state" : "DE ",
"stratum" : "1",
"synchronization" : "NTP V4 primary (GPS clock), Sun IPC/SunOS 4.1.3",
],
$[
"access_policy" : "open access for stratum 2 servers and UFL clients,others by arrangement",
"address" : "ntp-s1.cise.ufl.edu",
"contacts" : "<a href=\"mailto:res@tuttle.usno.navy.mil\">Rich Schmidt, US Naval Observatory</a>",
"country" : "US",
"exact_location" : "University of Florida, Gainesville, FL",
"state" : "FL ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (TrueTime GPS-VME)",
],
$[
"access_policy" : "open access for stratum 2 servers",
"address" : "navobs1.gatech.edu",
"coordinates" : "84 23 40.9W 33 46 30.0N WGS84",
"country" : "US",
"exact_location" : "Georgia Institute of Technology, Atlanta, GA",
"state" : "GA ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (GPS clock)",
],
$[
"address" : "time.twc.weather.com",
"coordinates" : "33:53:39.94N, 84:27:47.98W",
"country" : "US",
"exact_location" : "The Weather Channel, Atlanta GA",
"state" : "GA ",
"stratum" : "1",
"synchronization" : "NTP V4 primary (CMDA), Sun/Solaris",
],
$[
"access_policy" : "open access for stratum 2 servers",
"address" : "tick.mhpcc.hpc.mil",
"coordinates" : "20 44.9286 N, 156 26.4070 W",
"country" : "US",
"exact_location" : "Maui High Performance Computing Center",
"state" : "HI ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (Brandywine/Motorola Oncore GPS)",
],
$[
"access_policy" : "open access for stratum 2 servers and ANL clients,others by arrangement",
"address" : "ntp0.mcs.anl.gov",
"country" : "US",
"exact_location" : "Argonne National Laboratories, Chicago, IL",
"state" : "IL ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (Brandywine Syncclock32/Oncore GPS)",
],
$[
"access_policy" : "closed access except for peers that meet the three conditions outlined in the "Time Servers" section of this file. State agreement with those conditions in notification message. All others may use the ntp-{0,1,2}.cso.uiuc.edu stratum 2 servers.",
"address" : "truechimer.cso.uiuc.edu",
"country" : "US",
"exact_location" : "University of Illinois, Urbana-Champaign, IL",
"location" : "CICNET, Midwest, NCSA region",
"state" : "IL ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (WWVB clock), IBM-RS6000/250",
],
$[
"access_policy" : "open access to significant stratum 2 servers in the service areas.",
"address" : "tick.cerias.purdue.edu",
"coordinates" : "40:25:33.2N, 86:54:54.7W (GPS)",
"country" : "US",
"exact_location" : "CERIAS, Purdue University, West Lafayette, IN Synchronization: NTP V3/V4",
"location" : "Internet2, CIC, and midwest US",
"state" : "IN ",
"stratum" : "1",
],
$[
"access_policy" : "open access to significant stratum 2 servers in the service areas. Please send a message to notify, and see our ntp WWW page.",
"address" : "tock.cerias.purdue.edu",
"coordinates" : "40:25:33.2N, 86:54:54.7W (GPS)",
"country" : "US",
"exact_location" : "CERIAS, Purdue University, West Lafayette, IN Synchronization: NTP V3/V4 primary (GPS), Symmetricom TymServe 2100L",
"location" : "Internet2, CIC, and midwest US",
"state" : "IN ",
"stratum" : "1",
],
$[
"access_policy" : "open access",
"address" : "bonehed.lcs.mit.edu",
"country" : "US",
"exact_location" : "Massachusetts Institute of Technology, Cambridge, MA",
"location" : "Eastern US",
"state" : "MA ",
"stratum" : "1",
"synchronization" : "Motorola Oncore UT+ GPS, xntp3-5.90, FreeBSD 3.2",
],
$[
"access_policy" : "open access for stratum 2 servers, please notify",
"address" : "ntp.quidnet.com",
"country" : "US",
"exact_location" : "Concord, MA",
"location" : "Eastern US",
"state" : "MA ",
"stratum" : "1",
"synchronization" : "NTP V4 primary, Motorola Oncore VP GPS, Linux",
],
$[
"access_policy" : "open access to stratum-2 servers and to MIT clients",
"address" : "tick.mit.edu",
"country" : "US",
"exact_location" : "Massachusetts Institute of Technology, Cambridge, MA",
"location" : "eastern time zone, others on request",
"state" : "MA ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (GPS) HP9000/747i",
],
$[
"access_policy" : "open access",
"address" : "time.keneli.org",
"country" : "US",
"exact_location" : "Cambridge, MA",
"location" : "Eastern US",
"state" : "MA ",
"stratum" : "1",
"synchronization" : "Motorola Oncore UT+ GPS, Linux",
],
$[
"access_policy" : "Open to stratum-2 servers, others by arrangement; please use one of the servers as primary with the other as a backup.",
"address" : "time-b.nist.gov",
"country" : "US",
"exact_location" : "NIST Central Computer Facility, Gaithersburg, Maryland",
"location" : "NSFnet, SURAnet",
"state" : "MD ",
"stratum" : "1",
"synchronization" : "ACTS dial-up using lockclock algorithm, DEC Alpha/UNIX",
],
$[
"access_policy" : "open access for stratum 2 servers",
"address" : "ntp.colby.edu",
"contacts" : "Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil), Jeff Earickson, Colby College (jaearick@colby.edu)",
"coordinates" : "69 39 42.0 W, 44 33 48 N WGS84",
"country" : "US",
"exact_location" : "Colby College, Waterville, ME",
"state" : "ME ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (GPS)",
],
$[
"access_policy" : "open access",
"address" : "navobs1.wustl.edu",
"country" : "US",
"exact_location" : "Washington University, St. Louis, MO",
"state" : "MO ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (GPS) HP9000/747i",
],
$[
"access_policy" : "NC-REN region, other use by prior arrangement",
"address" : "ncnoc.ncren.net",
"country" : "US",
"exact_location" : "MCNC, Research Triangle Park, NC",
"state" : "NC ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (WWVB clock), Netclock/2, Sun 4/65",
],
$[
"access_policy" : "Closed access, except for stratum-2 servers providing synchronization to local networks of ten or more hosts; others by arrangement only. Please send a message to notify.",
"address" : "ntp0.jensenresearch.com",
"coordinates" : "41 00.975 N, 74 15.262 W<br>Synchronization: NTP V4 primary; Præcis Ct CDMA clock; Intel PIII/866 Win2K",
"country" : "US",
"exact_location" : "Jensen Research Corporation, Oakland NJ",
"location" : "Eastern US",
"state" : "NJ ",
"stratum" : "1",
],
$[
"access_policy" : "open access",
"address" : "now.okstate.edu",
"country" : "US",
"exact_location" : "Oklahoma State University, Stillwater, OKGeographic Coordinates: 97 04 17.0 W, 36 07 19.7 N WGS84",
"state" : "OK ",
"stratum" : "1",
"synchronization" : "NTP V4 primary (Motorola UT+)",
],
$[
"access_policy" : "closed access, except for stratum-2 servers providing synchronization to local networks of ten or more hosts; others by arrangement only",
"address" : "gps1.otc.psu.edu",
"coordinates" : "40:47:58.1N, 77:51:44.8W (USGS 40077-G7-TF-024)",
"country" : "US",
"exact_location" : "Penn State University, University Park, PA",
"location" : "Internet2, vBNS, CERFnet(AT& T IP Services), PSC/NCNE, CASC.",
"state" : "PA ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (GPS), <a href=\"http://www.truetime.com/DOCS/PDTS/xl_dc.html\">TrueTime XL/DC</a> NTP module",
],
$[
"access_policy" : "open access",
"address" : "otc1.psu.edu",
"country" : "US",
"exact_location" : "Penn State University, University Park, PA",
"location" : "NSFNET, PREPNET, JvNCnet",
"state" : "PA ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (WWV clock), Sun/Unix",
],
$[
"access_policy" : "open access",
"address" : "wwv.otc.psu.edu",
"coordinates" : "40:47:58.1N, 77:51:44.8W (USGS 40077-G7-TF-024)",
"country" : "US",
"exact_location" : "Penn State University, University Park, PA",
"location" : "Internet2, vBNS, CERFnet(AT& T IP Services), PSC/NCNE, CASC.",
"state" : "PA ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (<a href=\"http://www.webworldinc.com/idc-%20traffic/1010.html\">Traconex</a>/PSTI-1020 WWV clock), Sun/Unix",
],
$[
"access_policy" : "open access to stratum-2 servers and to UH clients",
"address" : "tick.uh.edu",
"coordinates" : "29:43:37N,95:20:22W",
"country" : "US",
"exact_location" : "University of Houston, Houston, TX",
"location" : "US Central time zone, others on request",
"state" : "TX ",
"stratum" : "1",
"synchronization" : "NTP V3 primary (GPS) HP9000/747i",
],
$[
"access_policy" : "open access",
"address" : "time.xmission.com",
"country" : "US",
"exact_location" : "XMission Internet, Salt Lake City, Utah",
"location" : "Western US",
"state" : "UT ",
"stratum" : "1",
"synchronization" : "Motorola Oncore UT+ GPS, ntp-4.1.1a, Linux 2.4.18-nano",
],
$[
"access_policy" : "open access to Pacific Time Zone stratum 2's and to Univ. of Washington clients; others by arrangement",
"address" : "bigben.cac.washington.edu",
"country" : "US",
"exact_location" : "University of Washington, Seattle, WA",
"location" : "Pacific Northwest",
"state" : "WA ",
"stratum" : "1",
"synchronization" : "NTP primary (GPS clock), HP9000/747i HPUX",
],
$[
"address" : "time-nw.nist.gov",
"country" : "US",
"exact_location" : "Microsoft Corporation, Redmond, Washington",
"location" : "NorthWestNet, NSFnet",
"state" : "WA ",
"stratum" : "1",
"synchronization" : "ACTS Dial-up and lockclock algorithm, DEC Alpha/UNIX",
],
]
ACC SHELL 2018