PING www.xm-cs.cn (120.79.148.28) 56(84) bytes of data.
64 bytes from 120.79.148.28 (120.79.148.28): icmp_seq=1 ttl=51 time=211 ms
64 bytes from 120.79.148.28 (120.79.148.28): icmp_seq=2 ttl=51 time=210 ms
64 bytes from 120.79.148.28 (120.79.148.28): icmp_seq=3 ttl=51 time=210 ms

--- www.xm-cs.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 210.627/210.932/211.389/0.623 ms