PING tailieuhoc.edu.vn (188.114.96.0) 56(84) bytes of data.
64 bytes from 188.114.96.0 (188.114.96.0): icmp_seq=1 ttl=60 time=5.43 ms
64 bytes from 188.114.96.0 (188.114.96.0): icmp_seq=2 ttl=60 time=5.16 ms
64 bytes from 188.114.96.0 (188.114.96.0): icmp_seq=3 ttl=60 time=5.17 ms

--- tailieuhoc.edu.vn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 5.161/5.255/5.432/0.125 ms