PING quangngai.net (104.21.11.236) 56(84) bytes of data.
64 bytes from 104.21.11.236 (104.21.11.236): icmp_seq=1 ttl=59 time=5.37 ms
64 bytes from 104.21.11.236 (104.21.11.236): icmp_seq=2 ttl=59 time=4.96 ms
64 bytes from 104.21.11.236 (104.21.11.236): icmp_seq=3 ttl=59 time=5.16 ms

--- quangngai.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.962/5.166/5.373/0.177 ms