PING mwit.ac.th (104.21.64.1) 56(84) bytes of data.
64 bytes from 104.21.64.1 (104.21.64.1): icmp_seq=1 ttl=60 time=6.51 ms
64 bytes from 104.21.64.1 (104.21.64.1): icmp_seq=2 ttl=60 time=3.81 ms
64 bytes from 104.21.64.1 (104.21.64.1): icmp_seq=3 ttl=60 time=3.78 ms

--- mwit.ac.th ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 3.786/4.703/6.513/1.279 ms