PING cmu.ac.th (202.28.244.121) 56(84) bytes of data.
64 bytes from 202.28.244.121 (202.28.244.121): icmp_seq=1 ttl=55 time=228 ms
64 bytes from 202.28.244.121 (202.28.244.121): icmp_seq=2 ttl=55 time=227 ms
64 bytes from 202.28.244.121 (202.28.244.121): icmp_seq=3 ttl=55 time=228 ms

--- cmu.ac.th ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 227.749/228.043/228.350/0.603 ms