PING web20vn.com--s.vforce.cn (59.110.30.147) 56(84) bytes of data.
64 bytes from 59.110.30.147 (59.110.30.147): icmp_seq=1 ttl=53 time=251 ms
64 bytes from 59.110.30.147 (59.110.30.147): icmp_seq=2 ttl=53 time=275 ms
64 bytes from 59.110.30.147 (59.110.30.147): icmp_seq=3 ttl=53 time=255 ms

--- web20vn.com--s.vforce.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 251.328/260.552/275.236/10.512 ms