PING www.dh56.cn (115.227.17.61) 56(84) bytes of data.
64 bytes from 115.227.17.61 (115.227.17.61): icmp_seq=1 ttl=51 time=274 ms
64 bytes from 115.227.17.61 (115.227.17.61): icmp_seq=2 ttl=51 time=274 ms
64 bytes from 115.227.17.61 (115.227.17.61): icmp_seq=3 ttl=51 time=274 ms

--- www.dh56.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 274.212/274.575/274.969/0.309 ms