FIND OPEN PORT IN YOUR LOCAL AREA CONNECTION...........

IPSCAN.EXE :(Broadband users only)

You can easily scan on your local area connections IP, MAC addresses and open PORTs. This program can scan hundreds computer per seconds.

Click on image to DOWNLOAD this software Free

Just put your Gateway address range and click "Start Scanning". Then automatically you will get all the things.
Q. What is your Gateway address range?
>> If your Gateway address is 192.168.34.1, your range will be 192.168.34.1 to 192.168.34.255.