PING psu.ac.th (104.18.24.250) 56(84) bytes of data.
64 bytes from 104.18.24.250 (104.18.24.250): icmp_seq=1 ttl=59 time=5.06 ms
64 bytes from 104.18.24.250 (104.18.24.250): icmp_seq=2 ttl=59 time=4.89 ms
64 bytes from 104.18.24.250 (104.18.24.250): icmp_seq=3 ttl=59 time=4.87 ms

--- psu.ac.th ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2004ms
rtt min/avg/max/mdev = 4.879/4.947/5.065/0.083 ms