PING www.czhengfa.cn (211.149.168.101) 56(84) bytes of data.
64 bytes from 211.149.168.101: icmp_seq=1 ttl=116 time=326 ms
64 bytes from 211.149.168.101: icmp_seq=2 ttl=116 time=326 ms
64 bytes from 211.149.168.101: icmp_seq=3 ttl=116 time=325 ms

--- www.czhengfa.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 5104ms
rtt min/avg/max/mdev = 325.791/326.153/326.667/0.757 ms