PING www.9so0.cn (61.136.164.221) 56(84) bytes of data.
64 bytes from 61.136.164.221 (61.136.164.221): icmp_seq=1 ttl=51 time=278 ms
64 bytes from 61.136.164.221 (61.136.164.221): icmp_seq=2 ttl=51 time=277 ms
64 bytes from 61.136.164.221 (61.136.164.221): icmp_seq=3 ttl=51 time=277 ms

--- www.9so0.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 277.842/278.036/278.415/0.665 ms