Definitions of MAC address on the Web:

* In computer networking, a Media Access Control address (MAC address) is a unique identifier assigned to most network adapters or network interface ...


* In a network, the MAC address is a unique number that identifies a specific hardware interface. It is a 12-digit hexadecimal number.


* (Media Access Control Address): An address—typically made up of numbers and letters-- assigned to your hardware that uniquely identifies it’s place on the network.


* What is the IPv4 MAC address (aka the hardware or physical address) of my network adapter?


* In LANs, a standardized data-link layer address thats required for every connected port or device.


* Is an identity code, which is built into a network card. The IEEE (Institute of Electrical and Electronics Engineers) committee assigns blocks of addresses to a network-card manufacturer. This procedure ensures that no more than one network card share the same Mac address.


* Every piece of network hardware, like that contained within the Nintendo DS, has a unique identifying number that is placed there by the manufacturer. It is based upon a set standard that all manufactures have agreed upon, and no two MAC addresses are alike. ...


* An address used to represent hardware devices on an Ethernet network.


* The Migration Authorization Code (MAC) allows you to migrate from one broadband provider to another and can be obtained by calling your Internet Service Provider.


* A MAC address is a unique serial number burned into hardware adapters, giving the adapter a unique identification.


* The hardware address of any ethernet device. This address is unique, and is usually set at factory settings.


* On an Ethernet NIC, the hardware address of the card. MAC addresses are unique to the specific NIC, and are useful for identifying specific nodes.

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