PING www.zhoufu.net (172.67.192.22) 56(84) bytes of data.
64 bytes from 172.67.192.22 (172.67.192.22): icmp_seq=1 ttl=59 time=5.39 ms
64 bytes from 172.67.192.22 (172.67.192.22): icmp_seq=2 ttl=59 time=4.30 ms
64 bytes from 172.67.192.22 (172.67.192.22): icmp_seq=3 ttl=59 time=4.26 ms

--- www.zhoufu.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.265/4.655/5.399/0.531 ms