If you need to find the MAC Address of your Xbox 360 to setup security on your router, then follow these steps to find it:
1. Go to My Xbox and select System Settings
2. Select Network Settings
3. If you’re on a wireless network, it will promt you asking you to select your network name
4. Select Configure Network
5. Go to Additional Settings and select Advanced Settings
6. Your Xbox 360 MAC Address will be displayed at the bottom of the screen
