Name/IP Address            NP  NR  Span  Frequency  Freq Skew  Offset  Std Dev
==============================================================================
169.254.169.123            37  27  309m     +0.000      0.004    +45ns    32us
time-e-b.nist.gov          24  13  198m     +0.004      0.035   -694us   170us
time4.google.com           59  32  499m     +0.001      0.005    -40us   101us