PING guomin110.com (121.42.31.103) 56(84) bytes of data.
64 bytes from 121.42.31.103 (121.42.31.103): icmp_seq=1 ttl=111 time=238 ms
64 bytes from 121.42.31.103 (121.42.31.103): icmp_seq=2 ttl=111 time=237 ms
64 bytes from 121.42.31.103 (121.42.31.103): icmp_seq=3 ttl=111 time=237 ms

--- guomin110.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 237.427/237.822/238.538/0.644 ms