$ ntpq -pn
remote refid st t when poll reach delay offset jitter
==============================================================================
+210.173.160.27 133.243.236.18 2 - 678 1024 377 27.403 1.485 0.723
+210.173.160.57 133.243.236.17 2 - 663 1024 377 27.639 1.234 0.507
*210.173.160.87 133.243.236.19 2 - 632 1024 377 27.446 1.556 0.109
