PING ip-www.zcsy2008.cn (156.235.140.13) 56(84) bytes of data.
64 bytes from 156.235.140.13 (156.235.140.13): icmp_seq=1 ttl=122 time=244 ms
64 bytes from 156.235.140.13 (156.235.140.13): icmp_seq=2 ttl=122 time=244 ms
64 bytes from 156.235.140.13 (156.235.140.13): icmp_seq=3 ttl=122 time=244 ms

--- ip-www.zcsy2008.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 244.586/244.697/244.881/0.585 ms