How to Find and Change MAC Address in Mac OS X

Find MAC address, change it and get a random address. For expert users of Mac, this is interesting information.

A computer is identified by a unique Media Access Control address (MAC), which is built in your computer’s network card. You can change this MAC address natively in OS X.

It is quite easy to change MAC address if you are using Windows or Linux; this is quite an expert thing to change such virtual addresses on your Mac or Windows systems.

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How to Find and Change MAC Address on Mac

First off, we will discuss how you can find your MAC Address.

Find MAC Address of Your Mac

Find MAC Address of Mac

You can quickly find MAC Address on your OS X from the menu bar. Just press and hold Option key and click on the Wi-Fi icon seen in the menu bar. A drop-down menu will appear with some options, among which you can see first two options as Interface Name and Address.

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The address is sort of mixture of alphabets and numbers separated by colons; this is physical MAC address of the computer. This address may be changed; at this time, you can you can write a command in terminal and check the address your computer is using to communicate.

ifconfig en1 | grep ether

Find Mac Address in Mac OS X Using Terminal

This will supply your MAC address for the hardware interface en1; this interface is used for Wi-Fi in most Macs.

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If you want to check which interface is used for Wi-Fi, press and hold the Option key and click the Wi-Fi icon in the menu bar. This action will show you which device you are using to access the internet.

Find MAC Interface Name in Mac OS XChange MAC Address

You can change your MAC address by setting a new one

sudo ifconfig en1 ether aa:bb:cc:dd:ee:ff

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Enter your system password when prompted.

Change MAC Address of Mac

This command will set the MAC address for en1.

Get a Random MAC Address

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If privacy is your concern, you should randomize your MAC address. Type in the command as mentioned below:

openssl rand -hex 6 | sed 's/\(..\)/\1:/g; s/.$//' | xargs sudo ifconfig en1 ether

Enter your system password when prompted.

Use Random MAC Address in Mac OS X

You get a new MAC address for en1 every time you run this command. Please note that this is not a permanent thing as the changes made from both commands will revert to its original condition when you restart your Mac. Please note that once you change your MAC address, there can be some network problems. It is always advisable to restart your Wi-Fi after editing MAC address.

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Jignesh Padhiyar
Jignesh Padhiyar is the founder of who has a keen eye for news, rumors and all the unusual stuff that happens around iPhone and iPad.


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