PING www.mba.org.cn (193.112.115.144) 56(84) bytes of data.
64 bytes from 193.112.115.144 (193.112.115.144): icmp_seq=1 ttl=52 time=267 ms
64 bytes from 193.112.115.144 (193.112.115.144): icmp_seq=2 ttl=52 time=269 ms
64 bytes from 193.112.115.144 (193.112.115.144): icmp_seq=3 ttl=52 time=274 ms

--- www.mba.org.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 267.674/270.388/274.380/2.883 ms