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  • Quick Reference How to find a MAC Address
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This wiki is a quick reference to finding a MAC address on:

  • Mac OS X
  • Linux
  • Windows XP
  • Windows Vista
  • Windows 7

Mac OS X

  1. From the Apple in the upper left hand corner, choose System Preferences System Preferences
  2. Click the Network Network icon
  3. Select Ethernet/Thunderbolt Ethernet for your Ethernet MAC or WiFi/Airport for your Wireless MAC
  4. Click on the Advanced button
  5. Click on the Hardware or Ethernet tab
  6. Your MAC address will be at the top of this window

See this wiki for a more detailed procedure with screenshots.

Windows 7

  1. Click the Start icon
  2. Click Control Panel
  3. Select Network and Internet
  4. Click Network and Sharing Center
  5. Select Change Adapter Settings Change Adapter Settings from the list on the left-hand side
  6. Right-click the connection you are trying to find the MAC address for and select Properties.
  7. Hover your mouse underneath the text box under Connect using. Your MAC address will appear under the tooltip.


  1. In a privileged terminal session, type ifconfig
  2. This will show you a list of network adapters installed. The MAC address is referred here as the HWaddr
  3. If you have a wireless card, then you will see more than one MAC address. Make sure you register the right MAC address
  4. To find your wireless MAC address, type ifconfig. Your wired MAC will be the other one listed in ifconfig.

To use your computer on the IGPP network, you will need to register your MAC address by filling out the Host Registration Form.

If you need further assistance, please contact IGPP Net Ops.

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