PING www.khanchai.ac.th (203.151.20.174) 56(84) bytes of data.
64 bytes from esarabun.pncc.ac.th (203.151.20.174): icmp_seq=1 ttl=57 time=194 ms
64 bytes from esarabun.pncc.ac.th (203.151.20.174): icmp_seq=2 ttl=57 time=194 ms
64 bytes from esarabun.pncc.ac.th (203.151.20.174): icmp_seq=3 ttl=57 time=194 ms

--- www.khanchai.ac.th ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 194.249/194.382/194.544/0.380 ms