210 Number of sources = 4
Name/IP Address            NP  NR  Span  Frequency  Freq Skew  Offset  Std Dev
==============================================================================
178.251.120.16             22  12   27h     -0.000      0.017    -70ns   924us
85.255.214.66               4   4   26h      0.013      0.045   +386us   109us
85.12.29.43                12   7   54m     -0.296      1.261   -785us   817us
85.234.197.3                7   5   27h      0.003      0.038    +80us   598us
