PING ziyuan.n.shifen.com (223.109.81.161) 56(84) bytes of data.
64 bytes from 223.109.81.161 (223.109.81.161): icmp_seq=1 ttl=50 time=212 ms
64 bytes from 223.109.81.161 (223.109.81.161): icmp_seq=2 ttl=50 time=212 ms
64 bytes from 223.109.81.161 (223.109.81.161): icmp_seq=3 ttl=50 time=211 ms

--- ziyuan.n.shifen.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 211.761/212.184/212.590/0.338 ms