PING web20vn.com--www.daduchang.net (156.227.89.167) 56(84) bytes of data.
64 bytes from 156.227.89.167 (156.227.89.167): icmp_seq=1 ttl=57 time=194 ms
64 bytes from 156.227.89.167 (156.227.89.167): icmp_seq=2 ttl=57 time=193 ms
64 bytes from 156.227.89.167 (156.227.89.167): icmp_seq=3 ttl=57 time=193 ms

--- web20vn.com--www.daduchang.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 193.542/193.783/194.048/0.207 ms