PING cc.cojia.cn (108.186.217.252) 56(84) bytes of data.
64 bytes from 108.186.217.252 (108.186.217.252): icmp_seq=1 ttl=122 time=144 ms
64 bytes from 108.186.217.252 (108.186.217.252): icmp_seq=2 ttl=122 time=141 ms
64 bytes from 108.186.217.252 (108.186.217.252): icmp_seq=3 ttl=122 time=141 ms

--- cc.cojia.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 141.784/142.804/144.835/1.500 ms