PING sanbetong.vn (115.146.121.91) 56(84) bytes of data.
64 bytes from 115.146.121.91 (115.146.121.91): icmp_seq=1 ttl=58 time=220 ms
64 bytes from 115.146.121.91 (115.146.121.91): icmp_seq=2 ttl=58 time=219 ms
64 bytes from 115.146.121.91 (115.146.121.91): icmp_seq=3 ttl=58 time=219 ms

--- sanbetong.vn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 219.224/219.673/220.495/0.794 ms