PING web20vn.com--zm.2345.com (180.101.190.53) 56(84) bytes of data.
64 bytes from 180.101.190.53 (180.101.190.53): icmp_seq=1 ttl=54 time=281 ms
64 bytes from 180.101.190.53 (180.101.190.53): icmp_seq=2 ttl=54 time=280 ms
64 bytes from 180.101.190.53 (180.101.190.53): icmp_seq=3 ttl=54 time=270 ms

--- web20vn.com--zm.2345.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 270.304/277.652/281.908/5.235 ms