PING www.esarntech.ac.th (27.254.83.221) 56(84) bytes of data.
64 bytes from sv13.dnsserverclub.com (27.254.83.221): icmp_seq=1 ttl=42 time=319 ms
64 bytes from sv13.dnsserverclub.com (27.254.83.221): icmp_seq=2 ttl=42 time=319 ms
64 bytes from sv13.dnsserverclub.com (27.254.83.221): icmp_seq=3 ttl=42 time=320 ms

--- www.esarntech.ac.th ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 319.569/319.863/320.051/0.686 ms