owamp.atla.net.internet2.edu:Internet2 - Atlanta, GA USA
owamp.chic.net.internet2.edu:Internet2 - Chicago, IL USA
owamp.hous.net.internet2.edu:Internet2 - Houston, TX USA
owamp.salt.net.internet2.edu:Internet2 - Salt Lake City, UT USA
owamp.losa.net.internet2.edu:Internet2 - Los Angeles, CA USA
chronos.es.net:ESnet - New York, NY USA
saturn.es.net:ESnet - Sunnyvale, CA USA
utcnist2.colorado.edu:JILA - University of Colorado
nist1-chi.ustiming.org:NIST - NIST, Chicago, IL USA
nist-time-server.eoni.com:NIST - NIST, La Grande, OR USA
time-a.timefreq.bldrdoc.gov:NIST - NIST, Boulder, CO USA
ntp-gatech.usno.navy.mil:Naval Observatory - GATech
navobs1.oar.net:Naval Observatory - Columbus, OH USA
ntp-ucla.usno.navy.mil:Naval Observatory - Los Angeles, CA USA
ntp-uw.usno.navy.mil:Naval Observatory - Seattle, WA USA
ntp-ua.usno.navy.mil:Naval Observatory - Fairbanks, AK USA
time1.chpc.utah.edu:UTAH - Server #1, University of Utah, Salt Lake City, UT USA
time2.chpc.utah.edu:UTAH - Server #2, University of Utah, Salt Lake City, UT USA
time3.chpc.utah.edu:UTAH - Server #3, University of Utah, Salt Lake City, UT USA
ntp.hawaii.edu:University of Hawaii - Honolulu, HI USA
ns2.jp.apan.net:Asia Pacific Advanced Network - Tokyo, Japan
ns.twgrid.org: TWGrid - Taipei, Taiwan
b.ntp.monipe.rnp.br:RNP Time Server #2 - Brazil
c.ntp.monipe.rnp.br:RNP Time Server #3 - Brazil
ntp1.cais.rnp.br:RNP Time Server #6 - Brazil
time1.ethz.ch:ETH Zurich - Zurich, Switzerland
time2.ethz.ch:ETH Zurich - Zurich, Switzerland
time3.ethz.ch:ETH Zurich - Zurich, Switzerland
vega.cbk.poznan.pl:PIONIER - EU 
tempus1.gum.gov.pl:PIONIER - EU
ntp.itl.waw.pl:PIONIER - EU
