PING www.qlzh.net (172.67.137.219) 56(84) bytes of data.
64 bytes from 172.67.137.219 (172.67.137.219): icmp_seq=1 ttl=60 time=6.37 ms
64 bytes from 172.67.137.219 (172.67.137.219): icmp_seq=2 ttl=60 time=4.36 ms
64 bytes from 172.67.137.219 (172.67.137.219): icmp_seq=3 ttl=60 time=4.32 ms

--- www.qlzh.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 4.325/5.020/6.374/0.960 ms