First you need to find your Xbox’s MAC Address. Use these instructions to find your devices MAC Address
Turn the XBOX on.
On the dashboard go to Settings all the way to the right.
Select Network Settings.
Select Wired Network.
Select Configure Network.
Go right to the Additional Settings page.
Go down and select Advanced Settings.
On this screen you will see the MAC Address listed at the bottom. It will be 12 characters long, for example: 001A2B3C4D5E
Keep this screen up or Write the MAC Address down.
Go to your computer, which must be connected to the apartment’s internet, and open up a browser i.e. Firefox, Safari, Chrome, and go to the webpage usage.kempertc.com. Please Type This In Exactly How It’s Shown.
On the webpage you will see Enter device’s MAC Address. Enter the MAC address of your XBOX there.
When entering the MAC Address, YOU MUST PUT A COLON : EVERY 2 CHARACTERS. For example: 00:1A:2B:3C:4D:5E The colon key is Shift+Semicolon, the key to the right of L on your keyboard.