PING www.com--www.pinmer.cn (172.67.158.181) 56(84) bytes of data.
64 bytes from 172.67.158.181 (172.67.158.181): icmp_seq=1 ttl=60 time=6.49 ms
64 bytes from 172.67.158.181 (172.67.158.181): icmp_seq=2 ttl=60 time=4.09 ms
64 bytes from 172.67.158.181 (172.67.158.181): icmp_seq=3 ttl=60 time=4.07 ms

--- www.com--www.pinmer.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 4.075/4.887/6.493/1.135 ms