PING pongsawadi.ac.th (161.82.153.133) 56(84) bytes of data.
64 bytes from 161.82.153.133: icmp_seq=1 ttl=56 time=217 ms
64 bytes from 161.82.153.133: icmp_seq=2 ttl=56 time=216 ms
64 bytes from 161.82.153.133: icmp_seq=3 ttl=56 time=216 ms

--- pongsawadi.ac.th ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 6441ms
rtt min/avg/max/mdev = 216.871/217.133/217.593/0.326 ms