PING www.hecor.cn (119.147.71.139) 56(84) bytes of data.
64 bytes from 119.147.71.139 (119.147.71.139): icmp_seq=1 ttl=51 time=258 ms
64 bytes from 119.147.71.139 (119.147.71.139): icmp_seq=2 ttl=51 time=256 ms
64 bytes from 119.147.71.139 (119.147.71.139): icmp_seq=3 ttl=51 time=256 ms

--- www.hecor.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 256.579/257.255/258.562/1.012 ms