PING www.jyck.net.cn (160.124.147.166) 56(84) bytes of data.
64 bytes from 160.124.147.166 (160.124.147.166): icmp_seq=1 ttl=52 time=238 ms
64 bytes from 160.124.147.166 (160.124.147.166): icmp_seq=2 ttl=52 time=243 ms
64 bytes from 160.124.147.166 (160.124.147.166): icmp_seq=3 ttl=52 time=243 ms

--- www.jyck.net.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 238.753/242.026/243.737/2.315 ms