Nmap scan report for benhvienquan4.vn (113.161.89.253)
Host is up (0.19s latency).
rDNS record for 113.161.89.253: static.vnpt.vn
Not shown: 96 filtered tcp ports (no-response)
PORT     STATE SERVICE
80/tcp   open  http
443/tcp  open  https
1723/tcp open  pptp
8888/tcp open  sun-answerbook

Nmap done: 1 IP address (1 host up) scanned in 8.98 seconds