MAC address
Sign in to saveunique identifier assigned to network interfaces for communications on the physical network segment
AI overview
A MAC address is a unique identifier assigned to the network connection port on your device (like your computer or phone) that allows it to communicate with other devices on the same physical network. It matters because devices on a local network use MAC addresses to find and talk to each other, similar to how street addresses help mail carriers deliver letters to the right house.
AI-generated from the Wikipedia summary — may contain errors.
Article
Label of a UMTS router with MAC addresses for LAN and WLAN modules
A MAC address (medium access control address or media access control 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.