PING www.htwang.cn (211.149.156.216) 56(84) bytes of data.
64 bytes from 211.149.156.216: icmp_seq=1 ttl=54 time=272 ms
64 bytes from 211.149.156.216: icmp_seq=2 ttl=54 time=271 ms
64 bytes from 211.149.156.216: icmp_seq=3 ttl=54 time=271 ms

--- www.htwang.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 3924ms
rtt min/avg/max/mdev = 271.773/272.034/272.518/0.546 ms