PING c3.zhuolaoshi.com (137.220.232.171) 56(84) bytes of data.
64 bytes from 137.220.232.171 (137.220.232.171): icmp_seq=1 ttl=59 time=236 ms
64 bytes from 137.220.232.171 (137.220.232.171): icmp_seq=2 ttl=59 time=234 ms
64 bytes from 137.220.232.171 (137.220.232.171): icmp_seq=3 ttl=59 time=234 ms

--- c3.zhuolaoshi.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 234.087/235.060/236.747/1.197 ms