PING www.ww399.com (172.67.189.70) 56(84) bytes of data.
64 bytes from 172.67.189.70 (172.67.189.70): icmp_seq=1 ttl=60 time=6.94 ms
64 bytes from 172.67.189.70 (172.67.189.70): icmp_seq=2 ttl=60 time=4.02 ms
64 bytes from 172.67.189.70 (172.67.189.70): icmp_seq=3 ttl=60 time=4.13 ms

--- www.ww399.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 4.021/5.033/6.945/1.352 ms