PING ziyuan.n.shifen.com (182.61.201.91) 56(84) bytes of data.
64 bytes from 182.61.201.91 (182.61.201.91): icmp_seq=1 ttl=52 time=283 ms
64 bytes from 182.61.201.91 (182.61.201.91): icmp_seq=2 ttl=52 time=285 ms
64 bytes from 182.61.201.91 (182.61.201.91): icmp_seq=3 ttl=52 time=285 ms

--- ziyuan.n.shifen.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2143ms
rtt min/avg/max/mdev = 283.458/284.800/285.481/1.131 ms