PING forum.sieuhotro.com (104.21.96.1) 56(84) bytes of data.
64 bytes from 104.21.96.1 (104.21.96.1): icmp_seq=1 ttl=60 time=6.17 ms
64 bytes from 104.21.96.1 (104.21.96.1): icmp_seq=2 ttl=60 time=4.97 ms
64 bytes from 104.21.96.1 (104.21.96.1): icmp_seq=3 ttl=60 time=4.21 ms

--- forum.sieuhotro.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 4.215/5.120/6.173/0.806 ms