PING www.com--www.rchengxi.com (172.67.181.200) 56(84) bytes of data.
64 bytes from 172.67.181.200 (172.67.181.200): icmp_seq=1 ttl=60 time=5.29 ms
64 bytes from 172.67.181.200 (172.67.181.200): icmp_seq=2 ttl=60 time=5.20 ms
64 bytes from 172.67.181.200 (172.67.181.200): icmp_seq=3 ttl=60 time=5.37 ms

--- www.com--www.rchengxi.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 5.203/5.289/5.373/0.108 ms