PING quangngai.net (104.21.48.1) 56(84) bytes of data.
64 bytes from 104.21.48.1 (104.21.48.1): icmp_seq=1 ttl=60 time=5.88 ms
64 bytes from 104.21.48.1 (104.21.48.1): icmp_seq=2 ttl=60 time=4.40 ms
64 bytes from 104.21.48.1 (104.21.48.1): icmp_seq=3 ttl=60 time=4.42 ms

--- quangngai.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 4.400/4.901/5.881/0.697 ms