Time Server NIST
time-a.nist.gov 129.6.15.28
NIST in Gaithersburg, Maryland
time-b.nist.gov 129.6.15.29
NIST in Gaithersburg, Maryland
time-a.timefreq.bldrdoc.gov 132.163.4.101 (December 1, 1999)
NIST Boulder, Colorado
time-b.timefreq.bldrdoc.gov 132.163.4.102 (December 1, 1999)
NIST Boulder, Colorado
time-c.timefreq.bldrdoc.gov 132.163.4.103 (December 1, 1999)
NIST Boulder, Colorado
utcnist.colorado.edu 128.138.140.44
University of Colorado Boulder
time.nist.gov 192.43.244.18
NCAR Boulder, Colorado
time-nw.nist.gov 131.107.1.10
Microsoft in Redmond, Washington
nist1.dc.certifiedtime.com 216.200.93.8
Abovnet northern virginia
nist1.datum.com 209.0.72.7
As in San Jose, California
nist1.nyc.certifiedtime.com 208.184.49.129 in Abovnet City, New York
nist1.sjc.certifiedtime.com 207.126.103.202 Abovnet in San Jose, California
Level 1 server reference time available for Region:
North America
Palo Alto, CA: Systems Research Center Compaq Computer corp.
204.123.2.72:: navobs1.pa-x.dec.com usno.pa-x.dec.com; CNAMEs
Area: U.S. pacific time zone and time
Marina Del Rey CA: USC Information science Establish
128.9.176.30: Timekeeper.isi.edu
Area: Area CalRen2 and Los Nettos
Washington, DC: U.S. Naval Observatory
192.5.41.41: Tock.usno.navy.mil
192.5.41.40: Tick.usno.navy.mil
Area: NSFNET
Ottawa, Ontario, Canada: National Research Council of Canada
time.chu.nrc.ca
Area: Canada
Raleigh, NC: North Carolina University
152.1.58.124: terrapin.csc.ncsu.edu
Area: Southeastern U.S.
Cambridge, MA: MIT Information Systems
18.72.0.3: bitsy.mit.edu
Area: NSFNET and NEARnet Area
Cambridge, MA: MIT
18.26.4.105: bonehed.lcs.mit.edu
Area: Eastern U.S.
Palo Alto, CA: Internet Software Consortium
192.5.5.250: clock.isc.org
Area: BARRnet, Alternet-west, and CIX-west
Cambridge, MA: Base open software
130.105.4.59: clock.osf.org
Area: NSFNET and NEARnet Area
Palo Alto, CA: Communication vianet
209.81.9.7: clock.via.net
Cleveland, OH: Lewis Research Center (NASA)
128.156.1.43: Lerch-dns.lerc.nasa.gov
Area: NSFNET and OARNET
Colorado Springs, CO: Schriever AFB
204.34.198.40: navobs1.usnogps.navy.mil CNAME: tick.usnogps.navy.mil
204.34.198.41:: tock.usnogps.navy.mil navobs2.usnogps.navy.mil; CNAMEs
Area: U.S. pacific time zone and time
Cupertino, CA: HP
192.6.38.127: Ntp-cup.external.hp.com
Area: U.S. west coast
Newark, DE: Conectiv Communications
138.39.7.20: Ntp1.delmarva.com
Area: Cable & Wireless Network (MCInet above)
In University Park, PA: University Penn'orth indicate
128.118.25.5: Otc1.psu.edu
Area: NSFNET, PREPNET and JvNCnet
Europe
Borowiec, Poland: Astrogeodynamical Observatory research center of space
150.254.183.15: Vega.cbk.poznan.pl
Area: Poland and Europe
Stockholm, Sweden: AB Stupa
192.36.143.151: Time2.Stupi.SE
Area: Europe
Torino, Italy: IEN Galileo Ferrari
193204114105: Time.ien.it
Area: Italy and Europe
Zurich, Switzerland: The Integrated Systems Laboratory Swiss Fed. Inst. Technology
129.132.2.21: Swisstime.ethz.ch
Area: Switzerland and Europe
Torino, Italy: CSTV of National Research council
: Tempo.cstv.to.cnr.it
Area: Italy and Europe
Erlangen, Germany: University Erlangen-Nuernberg
ntp0.fau.de
ntp1.fau.de
ntp2.fau.de
ntps1-0.uni-erlangen.de
ntps1-1.One-erlangen.de
ntps1-2.uni-erlangen.de
Area: Germany and Europe
Berlin, Germany: Technische Universitaet Berlin
130.149.17.21: Ntps1-0.cs.tu-berlin.de
ntps1-1.cs.tu-berlin.de
Area: Germany and Europe
Sweden
192.36.143.150: Time1.Stupi.SE
Area: Sweden and NORDUnet Sunet
Far East Company and Bianchi
Hong Kong: The Chinese University of Hong Kong.
137.189.6.18: Clock.cuhk.edu.hk
Area: Hong Kong, China and South East
Fukuoka, Japan: Fukuoka University
Clock.nc.fukuoka-u.ac.jp
Clock.tl.fukuoka-u.ac.jp
Area: Area of Japan and the Pacific
Australia
Melbourne Australia: The Melbourne University
Ntp.cs.mu.OZ.AU
Area: Australia and New Zealand
Server level 2 reference time available for Region:
North America
NTP server time:
Quebec, Canada: Canadian Meteorological Center
ntp1.cmc.ec.gc.ca; ntp2.cmc.ec.gc.ca
Area: Eastern Canada
Ontario, Canada: National Research Council of Canada
time.chu.nrc.ca; time.nrc.ca
Area: Canada
University Regina Saskatchewan, Canada
142.3.100.15: Timelord.uregina.ca
Area: Canada
Ontario, Canada: Toronto University
tick.utoronto.ca; tock.utoronto.ca
Area: Eastern Canada
Mexico: Office Audiotel
ntp2a.audiotel.com.mx, ntp2c.audiotel.com.mx; ntp2b.audiotel.com.mx
Area: Avantel, Mexico and MCINet
Santa Cruz, CA: Scruz-net Inc.
: Ns.scruz.net
Area: Western U.S.
San Diego, CA: UCSD Education calculating operations Services / Network
132.239.254.49: Ntp.ucsd.edu
Area: NSFNET CERFNET and near the area SDSC
Quincy, California
ntp1.mainecoon.com; ntp2.mainecoon.com
Area: North America
Newark, DE: University Liguria
: Louie.udel.edu
Area: CAIRN, Abilene and vBNS
Atlanta, GA: CNSG
ntp.shorty.com
Area: South East U.S.
Kennesaw, GA: PeachNet
rolex.peachnet.edu; timex.peachnet.edu
Area: PeachNet (Georgia) and Southeast U.S.
Urbana-Champaign, IL: University of Illinois
ntp-0.cso.uiuc.edu, ntp-1.cso.uiuc.edu; ntp-2.cso.uiuc.edu
Area: Area CICNET, Midwest, and NCSA
Chicago, IL: Argonne National Laboratory
ntp-1.mcs.anl.gov; ntp-2.mcs.anl.gov
Area: NSF / ANSNet, CICNet, NetIllinois and ESNet
West Lafayette, IN: Purdue University
gilbreth.ecn.purdue.edu, harbor.ecn.purdue.edu; molecule.ecn.purdue.edu
Area: NSFNET and the area CICNET
Manhattan, KS: KansasNet online services
: Ntp1.kansas.net
199.240.130.12: Ntp2.kansas.net
Area: Central U.S. and Great Plains
Boston, MA: Dept. CS Umass-Boston.
: Timeserver.cs.umb.edu
Area: New England
Minnesota University Paul Minneapolis / St, MN
ns.nts.umn.edu; nss.nts.umn.edu
Area: Area CICNET
Columbia, MO: Missouri-Columbia University
128.206.206.12: Everest.cclabs.missouri.edu
Area: Moreneta
Omaha, NE: Radiks Internet Access
205.138.126.83: Allison.radiks.net
Area: Midwest U.S.
Las Vegas, NV: University of Nevada system of calculating service
131.216.1.101: Cuckoo.nevada.edu
Area: Area NevadaNet, NSFNET, and SDSC
Las Vegas, NV: UNLV University Planning
tick.cs.unlv.edu; tock.cs.unlv.edu
Area: Sprintnet
New York City, NY: Columbia University
ntp.ctr.columbia.edu
Area: SprintLink and NYSERnet
Ithaca, NY: Cornell University
192.35.82.50: Ntp0.cornell.edu
Area: NSFNET and NYSER Area
New York, NY: Columbia University Morningside Campus
sundial.columbia.edu
Area: NYSERnet
New York City, NY: Columbia Computer Science Department
timex.cs.columbia.edu
Area: Area PSINet, NSFNET and NYSER
Norman, Oklahoma: Oklahoma University
: Constellation.ecn.uoknor.edu
Area: Midnet
Coos Bay, OR: Computer koala
: Tick.koalas.com
Area: Northwestern U.S.
In University Park, PA: University Penn'orth indicate
: Clock.psu.edu
Area: Internet2, vBNS, CERFnet (IP AT & T), PSC / NCNE and CASC
Pittsburgh, PA: Pittsburgh Supercomputing Center
128.182.58.100: Fuzz.psc.edu
Area: the NSFNET and PSC
Pittsburgh, PA: Carnegie Mellon Electrical and design of computer
ntp-1.ece.cmu.edu; ntp-2.ece.cmu.edu
Area: Area PREPNET and PSC
Dallas, TX: Corporate Methodist University Cox School Southern Africa
129.119.80.126: Ntp.cox.smu.edu
Area: NSFNET and SESQUI Area
Hughes Springs, TX: First National Bank
209.144.20.76: Ntp.fnbhs.com
Area: North East Texas
Houston, Tx: Baylor University medicine
128.249.1.10: Ntp.tmc.edu
Area: NSFNET and SESQUI Area
College Station, TX: Texas A & M University
165.91.52.110: Ntp5.tamu.edu
Area: NSFNET SESQUI TheNet the area and TAMUSDSN
Plano, TX: Production Automation Greyware
tick.greyware.com; tock.greyware.com
Area: South-Central U.S.
Blacksburg, VA: Virginia Tech center of the calculation
ntp-1.vt.edu; ntp-2.vt.edu
Area: South East U.S.
Arlington, VA: Center for seismic studies
: Ntp.cmr.gov
Area: Area NSFNET and Sura
Richland, WA: Valle d 'Aosta University
192.31.216.30: Clock.tricity.wsu.edu
Area: NSFNET and NorthWestNet
Washington, U.S.: Mill Creek
time.ultimeth.net
Area: Northwest U.S.
Wisconsin USA: Computer Science Department University of Wisconsin-Madison
ntp1.cs.wisc.edu, ntp2.cs.wisc.edu; ntp3.cs.wisc.edu
Area: United States and any
South America
Buenos Aires, Argentina: Network Access Point
tick.nap.com.ar
tock.nap.com.ar
Area: The Argentine
Buenos Aires, Argentina: Sinectis SA
time.sinectis.com.ar
Area: The Argentine
Brazil: Portuguese Research Network
200.144.121.33: Ntp.cais.rnp.br
Area: Brazil
Venezuela: Venezuela VELUG Linux Grupo de Usuarios de
150185192250: Ntp.linux.org.ve
Area: Arica
Europe
Zurich, Switzerland: Swiss Fed. Inst. Technology
129.132.98.11: Bernina.ethz.ch
Area: Switzerland and Europe
Location: Europa in Copenhagen, Denmark
clock.netcetera.dk; clock2.netcetera.dk
Area: Denmark, Scandinavia and Northern Europe
Spain: Altea
slug.ctv.es
Area: Spain
Pieksamaki, Finland: Keski-Savon Oppimiskeskus
tick.keso.fi; tock.keso.fi
Area: Finland
Meudon, France: Observatoire de Paris-Meudon
ntp.obspm.fr
Area: France and Europe
Lyon, France: CISM
ntp.univ-lyon1.fr
Area: France, Switzerland, Italy and Europe
Milan, Italy: via Ecole Centrale
138.195.130.70: Ntp.via.ecp.fr
Area: France and Europe
Budapest, Hungary: KFKI Research Establish for particle and nuclear physics
: Time.kfki.hu
Area: HUNGARNET
Italy Srl Net4u in Vercelli, Italy
195.32.52.129: Ntps.net4u.it
Area: Italy
Oslo, Norway: Oslo University
: Fartein.ifi.uio.no
Area: NORDUnet
Oslo, Norway: International Alcanet
time.alcanet.no
Area: Europe
Krakow, Poland: Center for Computer Education
149.156.4.11: Info.cyf-kr.edu.pl
Area: Poland and Europe
Lund, Sweden: Lund Establish Technology
Ntp.lth.se
Area: Sweden and NORDUnet
Ljubljana, Slovenia: Ljubljana University Establish Biophysics
biofiz.mf.uni-lj.si 193.2.69.11
Area: Slovenia and Europe
Ljubljana, Slovenia: Slovenia Establish hydrometeorological
hmljhp.rzs-hm.si
Area: Slovenia and Europe
Ljubljana, Slovenia Education and Research Network of Slovenia
ntp1.arnes.si; ntp2.arnes.si
Area: Slovenia and Europe
Ljubljana, Slovenia: J Stefan Establish
time.ijs.si
Area: Slovenia and Europe
British Isles
USA, Dublin Ireland: Mathematics University School terna
ntp.cs.tcd.ie, ntp.maths.tcd.ie; ntp.tcd.ie
Area: Ireland and UK
Glasgow, Scotland: Strathclyde University
ntp.cs.strath.ac.uk
Area: UK, Europe and any
Cambridge, UK
ntp0.uk.uu.net
ntp1.uk.uu.net
ntp2.uk.uu.net
Area: and UUNET UK (formerly known as Pipex UNITED KINGDOM)
Manchester, England: University CREMONA
ntp2a.mcc.ac.uk ntp2b.mcc.ac.uk;;
ntp2c.mcc.ac.uk; ntp2d.mcc.ac.uk
Area: UNITED KINGDOM
Buckinghamshire UK: Wibble UK, Aylesbury,
tick.tanac.net
Area: UNITED KINGDOM
Asia
Moscow, Russia: Landau establish the theoretical physics
Ntp.landau.ac.ru
Area: Russia
Russia: Pushchino (at the fly)
194.149.67.130: Ntp.psn.ru
Area: Russia
Chernogolovka, Russia: Chernogolovka Scientific Center (at the fly)
193.233.46.10: Sign.chg.ru
Area: Russia
Far East Company and Bianchi
Tokyo, Japan: Fleet Information Inc.
203.139.30.195: Ntp.cyber-fleet.net
Area: Japan and the Far East
Seoul, Korea: Inet Inc.
time.nuri.net
Area: Korea, Japan, Hong Kong and Far East
Hamilton, New Zealand: The Waikato University
truechimer.waikato.ac.nz truechimer1.waikato.ac.nz;;
truechimer2.waikato.ac.nz; truechimer3.waikato.ac.nz
Area: New Zealand
Singapore and the Philippines:
ntp.shim.org
Area: Singapore
Africa
Lagos, Nigeria: Supernet300
ntp.supernet300.com
Area: West Africa (primarily Nigerian NITEL backbone)
Pietermaritzburg, South Africa: Natal University
143.128.82.200: Ntp.cs.unp.ac.za
Area: South Africa
Australia
The Adelaide University Adelaide, South Australia
Augean.eleceng.adelaide.edu.au
Ntp.adelaide.edu.au
203.21.37.18: Ntp.saard.net
Area: AARNet
Limited esec Carlton, Victoria, Australia
Time.esec.com.au
Area: South Africa, Australia