If you did, this is the solution! Mac MakeUp let's you change the MAC address of any of the interfaces present on your Windows 2000/XP/2003 box.
Mac Makeup will be a grat help for you if you have a MAC-IP relation from your ISP.
Sometimes this is referred as MAC address spoofing.
You can choose a new address of your choice, or get the new one with the help of the tool, which sets the OID part according to your preference.
TIP:
Download@Author's Site
Internode
