PING edu.psru.ac.th (58.64.45.45) 56(84) bytes of data.
64 bytes from 58.64.45.45 (58.64.45.45): icmp_seq=1 ttl=57 time=199 ms
64 bytes from 58.64.45.45 (58.64.45.45): icmp_seq=2 ttl=57 time=199 ms
64 bytes from 58.64.45.45 (58.64.45.45): icmp_seq=3 ttl=57 time=199 ms

--- edu.psru.ac.th ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2004ms
rtt min/avg/max/mdev = 199.789/199.824/199.860/0.516 ms