Download GhostMAC 184.108.40.206 from our website for free. This free software is an intellectual property of Mihai Oprean. The program is included in Internet & Network Tools.
From the developer:
GhostMAC is a small tool that can change your system's MAC address. It can be used on networks that limit connectivity based on the computer's address. With this handy tool you can set your own address and use it as is and also revert to the original one. It is written in C# and integrates device driver plugins and also the Microsoft Windows network services.
You may want to check out more software, such as Web Log Explorer, Alchemy Network Inventory or ArpCacheWatch, which might be similar to GhostMAC.