PING www.cqchengheng.cn (38.238.236.57) 56(84) bytes of data.
64 bytes from 38.238.236.57 (38.238.236.57): icmp_seq=1 ttl=56 time=241 ms
64 bytes from 38.238.236.57 (38.238.236.57): icmp_seq=2 ttl=56 time=242 ms
64 bytes from 38.238.236.57 (38.238.236.57): icmp_seq=3 ttl=56 time=244 ms

--- www.cqchengheng.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 241.083/242.571/244.386/1.481 ms