PING www.com--www.yesdianying.com (172.67.179.21) 56(84) bytes of data.
64 bytes from 172.67.179.21 (172.67.179.21): icmp_seq=1 ttl=60 time=4.69 ms
64 bytes from 172.67.179.21 (172.67.179.21): icmp_seq=2 ttl=60 time=4.95 ms
64 bytes from 172.67.179.21 (172.67.179.21): icmp_seq=3 ttl=60 time=4.49 ms

--- www.com--www.yesdianying.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.499/4.713/4.950/0.193 ms