If you are concerned that somebody else is using your Wireless Internet Connection without your authorization and can’t confirm it. Well, here are two easy solutions to find out the list of all computers that are connected to your wireless network.
Zamzom Wireless Network Tool is a free Windows tool that instantly provides information ( computer names, user names, Mac and IP addresses ) on each and every computer that has access to their wireless networks, including authorized and unauthorized users. Zamzom wireless network tool does just that by informing users of precisely who is accessing their networks so that they can go about protecting their personal and company information. This is designed to work on Windows 2000, Windows XP, Windows 2003/2008 Server, Windows Vista, and Windows 7. Download here.
Pure Networks Security Scan is a website that also does a similar task by listing out all the Network Devices connected to your wireless network. Just go to below address and click Start Scan to authorize the site to install the secure add-on and once the scan completes – Click on Network Devices to see the listing. http://nmreports.linksys.com/nmscan/default.jsp