Find out the company details and address range for your MAC address.
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MAC Address Lookup
MAC Lookup Tool provides you information about any MAC Address of a networking card installed into your computer or any other device.
What is a MAC Address?
MAC Address or media access control address is a unique ID assigned to network interface cards (NICs). It is also known as a physical or hardware address. It identifies the hardware manufacturer and is used for network communication between devices in a network segment. MAC Address usually consists of six groups of two hexadecimal digits.
A MAC address is a unique identifier for network interfaces. It is a 48-bit number (12 hexadecimal characters). They can either be written in either of these formats:
MM:MM:MM:SS:SS:SS
MM-MM-MM-SS-SS-SS
What is an OUI?
The first three sets of two hexadecimal numbers in a MAC Address identify the card manufacturer, which is called OUI (organizationally unique identifier). OUI is always the same for NICs manufactured by the same company.
Let us change our traditional attitude to the construction of programs: Instead of imagining that our main task is to instruct a computer what to do, let us concentrate rather on explaining to human beings what we want a computer to do.
Donald E. Knuth
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