Angry IP scanner and Advanced IP scanner both are free program to scan all the ip addresses connected inside your network. The difference is that Advance IP scanner offers some more features than the Angry IP scanner. Advance IP scanner offer you Remote PC shutdown, wake on Lan and more options. But you have to install it in your every computer. The Angry IP Scanner is an open source program, very light and portable. It can run on Windows, Linux and Mac OS. Both program have same performance when scanning the computers.
To Download the Advance IP Scanner by Famatech click here