Name/IP Address            NP  NR  Span  Frequency  Freq Skew  Offset  Std Dev
==============================================================================
169.254.169.123            42  21  361m     -0.000      0.003    -99ns    35us
time-e-b.nist.gov          30  15  249m     -0.002      0.026   -747us   168us
time4.google.com           64  33  542m     +0.001      0.005    -35us   105us