Nmap scan report for lhr63.pie.net.pk (202.125.144.5)
Host is up (0.28s latency).
Not shown: 97 closed tcp ports (reset)
PORT     STATE    SERVICE
646/tcp  filtered ldp
1720/tcp filtered h323q931
5060/tcp filtered sip

Nmap done: 1 IP address (1 host up) scanned in 4.73 seconds