PING www.chainat.ac.th (182.53.220.219) 56(84) bytes of data.
64 bytes from node-17mj.pool-182-53.dynamic.nt-isp.net (182.53.220.219): icmp_seq=1 ttl=55
time=198 ms
64 bytes from node-17mj.pool-182-53.dynamic.nt-isp.net (182.53.220.219): icmp_seq=2 ttl=55
time=198 ms
64 bytes from node-17mj.pool-182-53.dynamic.nt-isp.net (182.53.220.219): icmp_seq=3 ttl=55
time=198 ms

--- www.chainat.ac.th ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 198.446/198.481/198.545/0.045 ms