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What is MAC Address: Explanation | Cyberops

What is MAC Address: Explanation

By Chandan Singh 0 Comment February 7, 2017

In a LAN (Local Area Network) or another network, the Media Access Control (MAC) address is your computer’s unique hardware number. A MAC address is a unique identifier for network interfaces. The MAC address is the 12-bit hexadecimal number(48-bit number). It is written in the following format.

The first half of the MAC (24 bit) contains the ID number of adapter Manufacturer.
The second half (24 MORE BITS) of a MAC address represents the serial number assigned to the adapter by the manufacturer. An Organizationally Unique Identifier (OUI) is a 24-bit number that uniquely identifies a vendor or manufacturer.
How to Find Your System MAC Address
Windows Vista, Windows 7:
  • Click the Start button.
  • In the Run text box, type cmd.  This will open the command window.
  • At the command prompt, type

ipconfig /all.


Finding the MAC address varies across the different Linux/Unix operating systems.

ifconfig -a

Macintosh OS 10.4 and higher:

  1. From the Apple icon in the upper left-hand corner of the desktop, select System Preferences.
  2. From the Internet & Wireless section, select Network.
  3. From the AirPort menu, click Advanced.
  4. At the bottom of the AirPort tab, the MAC address is listed as AirPort ID.

Note: If this does not work, please refer to the instruction manuals available for your particular operating system.

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