PING www.lixuexue.cn (38.48.175.114) 56(84) bytes of data.
64 bytes from 38.48.175.114 (38.48.175.114): icmp_seq=1 ttl=121 time=144 ms
64 bytes from 38.48.175.114 (38.48.175.114): icmp_seq=2 ttl=121 time=142 ms
64 bytes from 38.48.175.114 (38.48.175.114): icmp_seq=3 ttl=121 time=142 ms

--- www.lixuexue.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 142.125/142.797/144.106/0.925 ms