PING www.com--a13372106813.wjw.cn (115.239.209.78) 56(84) bytes of data.
64 bytes from 115.239.209.78 (115.239.209.78): icmp_seq=1 ttl=115 time=279 ms
64 bytes from 115.239.209.78 (115.239.209.78): icmp_seq=2 ttl=115 time=275 ms
64 bytes from 115.239.209.78 (115.239.209.78): icmp_seq=3 ttl=115 time=282 ms

--- www.com--a13372106813.wjw.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 275.171/279.075/282.436/2.990 ms