Nmap scan report for ip-184-18.ip4.ejedrzejow.pl (91.233.184.18)
Host is up (0.087s latency).
Not shown: 95 closed tcp ports (reset)
PORT     STATE    SERVICE
135/tcp  filtered msrpc
139/tcp  filtered netbios-ssn
445/tcp  filtered microsoft-ds
646/tcp  filtered ldp
1723/tcp open     pptp

Nmap done: 1 IP address (1 host up) scanned in 2.69 seconds