How to find MAC address on MacBook? If you are unsure about this question, you are in the right place. But before finding the MAC address we should first have a brief idea of what is MAC Address.

If you know what is MAC address or want to skip the part just from below click on how to find mac address on MacBook.

What is a MAC address ?

MAC Address stands for Media Access Control Address and is also known as burned-in address.

It helps to identify the device on the network.

This MAC address is found on the NIC (Network Interface Card) and is hard coded by the manufacturer i.e it cannot be changed and is permanent.

It is a 48-bit hexadecimal address i.e we can have around 2⁴⁸ combinations which is around 281 trillion addresses. Eg :- 00:11:22:33:44:55

This is the basis of the link layer.

There is a concept of OUI which stands for Organisational Unique Identifier. This is the first three octets of the MAC address and is of 8 bits. This is specific and is given to organisations like dell, hp etc.

Uses of MAC Address

It is used to diagnose network issues because as an administrator it would be easier to look for the place from where the issue is there as the MAC address are easy to track because they are permanent and never change.

MAC filtering can also be used by the administrator to prevent some specific addresses to not enter the network or to let some addresses only enter which provides extra safety to a network.

How to find MAC address on MacBook?

To find the MAC address on MacBook first we will open up the terminal.

Then we will type the command "ifconfig"

In the ether section we will find our MAC address

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