PING bbs.chinaartedu.net (117.107.141.18) 56(84) bytes of data.
64 bytes from 117.107.141.18 (117.107.141.18): icmp_seq=1 ttl=238 time=240 ms
64 bytes from 117.107.141.18 (117.107.141.18): icmp_seq=2 ttl=238 time=240 ms
64 bytes from 117.107.141.18 (117.107.141.18): icmp_seq=3 ttl=238 time=243 ms

--- bbs.chinaartedu.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2100ms
rtt min/avg/max/mdev = 240.389/241.676/243.895/1.625 ms