PING www.leeta.cn (172.67.153.4) 56(84) bytes of data.
64 bytes from 172.67.153.4 (172.67.153.4): icmp_seq=1 ttl=60 time=4.69 ms
64 bytes from 172.67.153.4 (172.67.153.4): icmp_seq=2 ttl=60 time=4.25 ms
64 bytes from 172.67.153.4 (172.67.153.4): icmp_seq=3 ttl=60 time=4.13 ms

--- www.leeta.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.137/4.362/4.693/0.239 ms