PING www.liudehuan.com (38.177.140.51) 56(84) bytes of data.
64 bytes from 38.177.140.51 (38.177.140.51): icmp_seq=1 ttl=58 time=247 ms
64 bytes from 38.177.140.51 (38.177.140.51): icmp_seq=2 ttl=58 time=244 ms
64 bytes from 38.177.140.51 (38.177.140.51): icmp_seq=3 ttl=58 time=244 ms

--- www.liudehuan.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 244.362/245.341/247.238/1.341 ms