Determine the MAC Address and IP Address of your Computer

Windows:

Determine MAC Addresses using the Command Prompt:

1. Open a Command Prompt: Start Menu > All Programs > Accessories > Command Prompt
2. In the Command Prompt, type the command below and press enter:
   
   • ipconfig /all
3. Information about your computer's network connections will be displayed. If you have multiple network adapters (ie. wireless and ethernet), be sure that you look at the information for the network adapter that you will use to connect to the network.
   • The MAC address is six groups of two hexadecimal digits, separated by hyphens (-) or colons (:), (e.g. a1-b2-c3-d4-e5-f6 or a1:b2:c3:d4:e5:f6)
   • The IP address is four groups of numbers between 1 and 255 separated by periods (.), (e.g. 205.155.75.5).

macOS:

Determine MAC Addresses using the Terminal:

1. Open the Terminal.app application, located in /Applications/Utilities/.
2. In the Terminal window, type the command below and press enter:
   
   • ifconfig -a
3. Information about your computer's network connections will be displayed. If you have multiple network adapters (ie. wireless and ethernet), be sure thet you look at the information for the network adapter that you will use to connect to the network.
   • The MAC address is six groups of two hexadecimal digits, separated by hyphens (-) or colons (:), (e.g. a1-b2-c3-d4-e5-f6 or a1:b2:c3:d4:e5:f6)
   • The IP address is four groups of numbers between 1 and 255 separated by periods (.), (e.g. 205.155.75.5).

Determine MAC Addresses using System Preferences:

1. Click the Apple > System Preferences > Network
2. Select the desired network interface from the list, click advanced, then click Hardware.