PING check.khoahocphothong.net (34.92.49.42) 56(84) bytes of data.
64 bytes from 42.49.92.34.bc.googleusercontent.com (34.92.49.42): icmp_seq=1 ttl=59
time=204 ms
64 bytes from 42.49.92.34.bc.googleusercontent.com (34.92.49.42): icmp_seq=2 ttl=59
time=199 ms
64 bytes from 42.49.92.34.bc.googleusercontent.com (34.92.49.42): icmp_seq=3 ttl=59
time=199 ms

--- check.khoahocphothong.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 199.780/201.318/204.331/2.192 ms