PING www.caiyun.com (8.144.167.120) 56(84) bytes of data.
64 bytes from 8.144.167.120 (8.144.167.120): icmp_seq=1 ttl=46 time=295 ms
64 bytes from 8.144.167.120 (8.144.167.120): icmp_seq=2 ttl=46 time=297 ms
64 bytes from 8.144.167.120 (8.144.167.120): icmp_seq=3 ttl=46 time=320 ms

--- www.caiyun.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 295.863/304.716/320.836/11.434 ms