PING demo7.leixun.net (222.173.122.106) 56(84) bytes of data.
64 bytes from 222.173.122.106 (222.173.122.106): icmp_seq=1 ttl=55 time=322 ms
64 bytes from 222.173.122.106 (222.173.122.106): icmp_seq=2 ttl=55 time=321 ms
64 bytes from 222.173.122.106 (222.173.122.106): icmp_seq=3 ttl=55 time=320 ms

--- demo7.leixun.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 320.665/321.447/322.180/0.619 ms