PING web20vn.com--www.mac.net.cn (162.159.211.37) 56(84) bytes of data.
64 bytes from 162.159.211.37 (162.159.211.37): icmp_seq=1 ttl=54 time=4.83 ms
64 bytes from 162.159.211.37 (162.159.211.37): icmp_seq=2 ttl=54 time=5.23 ms
64 bytes from 162.159.211.37 (162.159.211.37): icmp_seq=3 ttl=54 time=5.16 ms

--- web20vn.com--www.mac.net.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 4.836/5.078/5.236/0.183 ms