PING www.nakaevc.ac.th (172.67.147.171) 56(84) bytes of data.
64 bytes from 172.67.147.171 (172.67.147.171): icmp_seq=1 ttl=60 time=4.91 ms
64 bytes from 172.67.147.171 (172.67.147.171): icmp_seq=2 ttl=60 time=4.54 ms
64 bytes from 172.67.147.171 (172.67.147.171): icmp_seq=3 ttl=60 time=4.67 ms

--- www.nakaevc.ac.th ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2005ms
rtt min/avg/max/mdev = 4.549/4.714/4.917/0.162 ms