Follow these instructions to find your computer or mobile device’s media access control address (MAC address). Follow the steps for the operating system that you use.

Example of a MAC address: 00:00:00:a1:2b:cc

Every device connected to your home network has a unique MAC address. If your computer has multiple network adapters (for example, an Ethernet adapter and a wireless adapter), each adapter has its own MAC address.

You can block (blacklist) or allow (whitelist) service to a specific device if you know its MAC address.

To find your device’s MAC address:

Windows 10, 8, 7, Vista:

1. Click Windows Start or press the Windows key.

2. In the search box, type cmd.

3. Press the Enter key. A command window displays.

4. Type ipconfig /all.

5. Press Enter.

A physical address displays for each adapter. The physical address is your device’s MAC address.

Windows 2000, 2003, XP, NT:

1. Click Start > Run. A Run text box appears.

2. In the Run text box, type cmd.

3. Press Enter. A command prompt displays.

4. In the command prompt, type ipconfig /all.

5. Press Enter.

Under Ethernet adapter Wireless Network Connection, a Physical Address displays. This is your computer’s Ethernet MAC address.

Macintosh OS X:

1. Select Apple Icon > System Preferences > Network > Advanced.

A network box displays.

2. Select WiFi.

A WiFi Address or Airport Address displays. This is your device’s MAC address.

Linux/Unix:

1. Launch the terminal

2. Type fconfig in terminal

3. Your MAC address is displayed

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