User's Manual

Table Of Contents
Appendix C
AT+i Programmer‘s Manual Version 8.32 37-1
37 Appendix C
37.1 NIST Time Servers
Server
IP
Address Location
nist1.aol-ca.truetime.com
207.200.81.113
TrueTime, AOL facility,
Sunnyvale, California
nist1.aol-va.truetime.com
205.188.185.33
TrueTime, AOL facility,
Virginia
nist1.datum.com
66.243.43.21
Datum, San Jose, California
nist1.datum.com
209.0.72.7
Datum, San Jose, California
nist1.dc.certifiedtime.com
216.200.93.8
Abovnet, Virginia
nist1.nyc.certifiedtime.com
208.184.49.9
Abovnet, New York City
nist1.sjc.certifiedtime.com
208.185.146.41
Abovnet, San Jose, California
nist1-dc.glassey.com
216.200.93.8
Abovenet, Virginia
nist1-ny.glassey.com
208.184.49.9
Abovenet, New York City
nist1-sj.glassey.com
207.126.98.204
Abovenet, San Jose,
California
time.nist.gov
192.43.244.18
NCAR, Boulder, Colorado
time-a.nist.gov
129.6.15.28
NIST, Gaithersburg, Maryland
time-a.timefreq.bldrdoc.gov
132.163.4.101
NIST, Boulder, Colorado
time-b.nist.gov
129.6.15.29
NIST, Gaithersburg, Maryland
time-b.timefreq.bldrdoc.gov
132.163.4.102
NIST, Boulder, Colorado
time-c.timefreq.bldrdoc.gov
132.163.4.103
NIST, Boulder, Colorado
time-nw.nist.gov
131.107.1.10
Microsoft, Redmond,
Washington
utcnist.colorado.edu
128.138.140.44
University of Colorado,
Boulder
Table 37-1: List of NIST Time Servers
Note: Check http://tf.nist.gov/service/time-servers.html for updates