PING e-learning.yru.ac.th (188.114.97.0) 56(84) bytes of data.
64 bytes from 188.114.97.0 (188.114.97.0): icmp_seq=1 ttl=60 time=6.37 ms
64 bytes from 188.114.97.0 (188.114.97.0): icmp_seq=2 ttl=60 time=4.27 ms
64 bytes from 188.114.97.0 (188.114.97.0): icmp_seq=3 ttl=60 time=4.28 ms

--- e-learning.yru.ac.th ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2147ms
rtt min/avg/max/mdev = 4.277/4.980/6.379/0.989 ms