PING liaobin1314520.cn.gongchang.com (43.136.57.228) 56(84) bytes of data.
64 bytes from 43.136.57.228 (43.136.57.228): icmp_seq=1 ttl=50 time=239 ms
64 bytes from 43.136.57.228 (43.136.57.228): icmp_seq=2 ttl=50 time=247 ms
64 bytes from 43.136.57.228 (43.136.57.228): icmp_seq=3 ttl=50 time=248 ms

--- liaobin1314520.cn.gongchang.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 239.378/245.066/248.186/4.028 ms