PING 91017498.k281.opensrs.cn (156.236.110.195) 56(84) bytes of data.
64 bytes from 156.236.110.195 (156.236.110.195): icmp_seq=1 ttl=56 time=230 ms
64 bytes from 156.236.110.195 (156.236.110.195): icmp_seq=2 ttl=56 time=229 ms
64 bytes from 156.236.110.195 (156.236.110.195): icmp_seq=3 ttl=56 time=229 ms

--- 91017498.k281.opensrs.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2819ms
rtt min/avg/max/mdev = 229.946/230.137/230.495/0.608 ms