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© American Time
Wi-Fi Installation Manual
Appendix A: SNTP Time Servers
Ap
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Sp
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URL
IP address Location
nist1-ny.ustiming.org
064.090.182.055
New York City, New York
nist1-nj.ustiming.org
096.047.067.105 Bridgewater,
New Jersey
nist1-pa.ustiming.org 206.246.122.250
Hatfield, Pennsylvania
nist1.aol-va.symmetricom.com 064.236.096.053 Reston, Virginia
nist1-chi.ustiming.org
208.066.175.036 Chicago, Illinois
nist1.expertsmi.com
173.014.055.009 Monroe, Michigan
nist.netservicesgroup.com
064.113.032.005 Southfield, Michigan
nisttime.carsoncity.k12.mi.us
066.219.116.140
Carson City, Michigan
www.nist.gov
024.056.178.140
WWV, Fort Collins, Colorado
utcnist.colorado.edu
128.138.140.044
University of Colorado, Boulder
utcnist2.colorado.edu
128.138.188.172
University of Colorado, Boulder
ntp-nist.ldsbc.edu
198.060.073.008
LDSBC, Salt Lake City, Utah
nist1-lv.ustiming.org
064.250.229.100
Las Vegas, Nevada
nist1.aol-ca.symmetricom.com
207.200.081.113
Mountain View, California
nist1.symmetricom.com
069.025.096.013
San Jose, California
nist1-sj.ustiming.org
216.171.124.036
San Jose, California
nist1-la.ustiming.org
064.147.116.229
Los Angeles, California
n
Note:
Please reference http://tf.nist.gov/tf-cgi/servrs.cgi for the latest NIST Internet Time servers list, which includes the
status of each server.