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MAC address

Unique identifier assigned to network interfaces for communications on the physical network segment

EntityQ20484

Also known as Media Access Control address · media access control address · LAN Address · Ethernet Address · burned-in address · Ethernet hardware address

Subclass of: network address

Overview

From Wikipedia, the free encyclopedia · Read full article · Text CC BY-SA 4.0

A MAC address is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment. This use is common in most IEEE 802 networking technologies, including Ethernet, Wi-Fi, and Bluetooth. Within the Open Systems Interconnection (OSI) network model, MAC addresses are used in the medium access control protocol sublayer of the data link layer. As typically represented, MAC addresses are recognizable as six groups of two hexadecimal digits, separated by hyphens, colons, or without a separator.

Overview

All data

12 statements · 17% with external sources · numbers in brackets are citations

Used by: Ethernet
IEEE 802.11
Members / parts: bit quantity: 48
1
Sources
1.“CompTIA A+ Certification All-in-One Exam Guide, Tenth Edition (Exams 220-1001 & 220-1002)”openlibrary.org/search?isbn=9781260454031
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8 identifiers linking MAC address across the web's reference databases

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statements

17%

externally sourced

Source last edited April 3, 2026. AIDB refreshes this page daily.

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AIDB. (2026). MAC address (Q20484). Retrieved from https://aidb.si/e/mac-address-Q20484