PING forum.tieudattai.com (156.239.39.116) 56(84) bytes of data.
64 bytes from 156.239.39.116 (156.239.39.116): icmp_seq=1 ttl=121 time=154 ms
64 bytes from 156.239.39.116 (156.239.39.116): icmp_seq=2 ttl=121 time=153 ms
64 bytes from 156.239.39.116 (156.239.39.116): icmp_seq=3 ttl=121 time=153 ms

--- forum.tieudattai.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 153.546/153.735/154.050/0.224 ms