PING www.mengzhidu.net (172.67.195.201) 56(84) bytes of data.
64 bytes from 172.67.195.201 (172.67.195.201): icmp_seq=1 ttl=60 time=6.30 ms
64 bytes from 172.67.195.201 (172.67.195.201): icmp_seq=2 ttl=60 time=4.10 ms
64 bytes from 172.67.195.201 (172.67.195.201): icmp_seq=3 ttl=60 time=4.08 ms

--- www.mengzhidu.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 4.088/4.830/6.301/1.040 ms