PING www.520sihai.com (156.250.146.204) 56(84) bytes of data.
64 bytes from 156.250.146.204 (156.250.146.204): icmp_seq=1 ttl=52 time=201 ms
64 bytes from 156.250.146.204 (156.250.146.204): icmp_seq=2 ttl=52 time=201 ms
64 bytes from 156.250.146.204 (156.250.146.204): icmp_seq=3 ttl=52 time=202 ms

--- www.520sihai.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 201.016/201.836/202.597/0.829 ms