PING utehy.edu.vn (112.78.4.239) 56(84) bytes of data.
64 bytes from 112.78.4.239 (112.78.4.239): icmp_seq=1 ttl=119 time=226 ms
64 bytes from 112.78.4.239 (112.78.4.239): icmp_seq=2 ttl=119 time=226 ms
64 bytes from 112.78.4.239 (112.78.4.239): icmp_seq=3 ttl=119 time=226 ms

--- utehy.edu.vn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2188ms
rtt min/avg/max/mdev = 226.169/226.355/226.680/0.595 ms