PING ziyuan.n.shifen.com (182.61.201.50) 56(84) bytes of data.
64 bytes from 182.61.201.50 (182.61.201.50): icmp_seq=1 ttl=52 time=247 ms
64 bytes from 182.61.201.50 (182.61.201.50): icmp_seq=2 ttl=52 time=249 ms
64 bytes from 182.61.201.50 (182.61.201.50): icmp_seq=3 ttl=52 time=249 ms

--- ziyuan.n.shifen.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 3151ms
rtt min/avg/max/mdev = 247.756/249.153/249.943/0.990 ms