PING www.51rong.com (129.211.172.60) 56(84) bytes of data.
64 bytes from 129.211.172.60 (129.211.172.60): icmp_seq=1 ttl=50 time=269 ms
64 bytes from 129.211.172.60 (129.211.172.60): icmp_seq=2 ttl=50 time=271 ms
64 bytes from 129.211.172.60 (129.211.172.60): icmp_seq=3 ttl=50 time=269 ms

--- www.51rong.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 269.133/270.325/271.918/1.316 ms