what is mac address

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The mac address is a unique address used to identify a network device, which is called the media access control address. Each network device has a unique Mac address, similar to an ID number, which is used to identify and locate the device in the local area network. A Mac address is a hexadecimal number consisting of 6 bytes, usually separated by colons or dashes. The first three bytes are called the Organizational Unique Identifier and are used to identify the manufacturer of the device. The last three bytes are a unique device identifier assigned by the manufacturer to identify a specific device.