PING www.sevem.cn (8.130.15.0) 56(84) bytes of data.
64 bytes from 8.130.15.0 (8.130.15.0): icmp_seq=1 ttl=50 time=243 ms
64 bytes from 8.130.15.0 (8.130.15.0): icmp_seq=2 ttl=50 time=243 ms
64 bytes from 8.130.15.0 (8.130.15.0): icmp_seq=3 ttl=50 time=243 ms

--- www.sevem.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 243.587/243.700/243.876/0.583 ms