PING www.xjdj.net (8.156.84.75) 56(84) bytes of data.
64 bytes from 8.156.84.75 (8.156.84.75): icmp_seq=1 ttl=45 time=280 ms
64 bytes from 8.156.84.75 (8.156.84.75): icmp_seq=2 ttl=45 time=279 ms
64 bytes from 8.156.84.75 (8.156.84.75): icmp_seq=3 ttl=45 time=279 ms

--- www.xjdj.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 279.930/280.040/280.240/0.627 ms