Web development, programming languages, Software testing & others Start Your Free Software Development Course Any device that contains a network card to connect via Wi-Fi or Ethernet has a unique MAC address.

Routers, network repeaters, Wi-Fi extenders, printers, smartphones, tablets, computers, NAS or network drives, etc. Only a manufacturer assigns “Universally Managed” physical address to a device and they are called “burned-in addresses”. The addresses can be “Universally Managed” or “Locally Managed”.

MAC addresses use three types of number systems and all use the same format, only the size of the identifier differs. The MAC address is a physical address (also called a hardware address) because it physically identifies an item of hardware.

It is determined and configured by the IEEE (the last 24 bits) and the manufacturer (the first 24 bits) using the OUI. It is unique for every device being used. It is also called as the physical address.

It is a 48-bit identifier consisting of 6 hexadecimal blocks that uniquely corresponds to a network card or device. In computer networks, the MAC address (an acronym for Media Access Control) is an identifier for devices.

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