PING www.bwk.ac.th (119.59.120.28) 56(84) bytes of data.
64 bytes from 119.59.120.28 (119.59.120.28): icmp_seq=1 ttl=58 time=252 ms
64 bytes from 119.59.120.28 (119.59.120.28): icmp_seq=2 ttl=58 time=250 ms
64 bytes from 119.59.120.28 (119.59.120.28): icmp_seq=3 ttl=58 time=251 ms

--- www.bwk.ac.th ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 250.882/251.440/252.378/0.782 ms