PING chuyenluyenielts.com.vn (103.90.235.78) 56(84) bytes of data.
64 bytes from 103.90.235.78 (103.90.235.78): icmp_seq=1 ttl=55 time=234 ms
64 bytes from 103.90.235.78 (103.90.235.78): icmp_seq=2 ttl=55 time=232 ms
64 bytes from 103.90.235.78 (103.90.235.78): icmp_seq=3 ttl=55 time=232 ms

--- chuyenluyenielts.com.vn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 232.185/232.933/234.057/0.982 ms