PING www.a2008.cn (38.12.163.20) 56(84) bytes of data.
64 bytes from 38.12.163.20 (38.12.163.20): icmp_seq=1 ttl=57 time=146 ms
64 bytes from 38.12.163.20 (38.12.163.20): icmp_seq=2 ttl=57 time=146 ms
64 bytes from 38.12.163.20 (38.12.163.20): icmp_seq=3 ttl=57 time=146 ms

--- www.a2008.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 146.533/146.663/146.824/0.120 ms