Win7 MAC Address changer is a simple freeware windows program which can change the MAC (Media Access Control) Address of wired and wireless network adapters (Not routers). It is a freeware amc changing application that's portable, light on system resources, easy to setup, straightforward and easy-to-use.
Here are some screenshots to illustrate the features and user interface of this application:
Net Monitor for Employees Professional
Network LookOut Administrator Pro
Advanced Host Monitor
Connection Keeper
MIB Browser