PING web20vn.com--www.qm400.com (154.39.255.195) 56(84) bytes of data.
64 bytes from 154.39.255.195 (154.39.255.195): icmp_seq=1 ttl=58 time=207 ms
64 bytes from 154.39.255.195 (154.39.255.195): icmp_seq=2 ttl=58 time=205 ms
64 bytes from 154.39.255.195 (154.39.255.195): icmp_seq=3 ttl=58 time=207 ms

--- web20vn.com--www.qm400.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 205.366/206.858/207.799/1.066 ms