$ ntpq -pn
remote refid st t when poll reach delay offset jitter
==============================================================================
+210.173.160.27 133.243.236.20 2 - 99 512 377 27.404 1.867 1.085
+210.173.160.57 133.243.236.17 2 - 152 512 277 27.615 1.539 0.150
*210.173.160.87 133.243.236.18 2 - 497 512 377 27.534 2.101 1.539
