PING www.myeyeallergy.com.cn (172.67.128.18) 56(84) bytes of data.
64 bytes from 172.67.128.18 (172.67.128.18): icmp_seq=1 ttl=60 time=5.30 ms
64 bytes from 172.67.128.18 (172.67.128.18): icmp_seq=2 ttl=60 time=4.30 ms
64 bytes from 172.67.128.18 (172.67.128.18): icmp_seq=3 ttl=60 time=4.25 ms

--- www.myeyeallergy.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.251/4.621/5.309/0.489 ms