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How to Locate Device MAC Address - Grand Valley State University

A is a unique 12-digit hexadecimal identifier assigned to a device's network interface controller (NIC) for communication within a network segment. Often called a "physical address" or "hardware ID," it serves as a permanent digital fingerprint that identifies hardware at the data link layer of the OSI model. Structure of a MAC Address mac address

A standard MAC address (EUI-48) consists of 48 bits, typically represented as 12 hexadecimal characters (0–9 and A–F). These are often grouped into pairs separated by colons (e.g., 00:1A:2B:3C:4D:5E ) or hyphens. How to Locate Device MAC Address - Grand