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A media access control (MAC) address is a unique identifier assigned to network interfaces for communications at the data link layer of a network segment. MAC addresses are used as a network address for most IEEE 802 network technologies, including Ethernet and WiFi.

MAC address structure

A MAC address is comprised of six octets or in other words, six 8 bit long segments. The first three octets make up the Organisationally Unique Identifier (OUI), i.e., it can be used to identify the device's manufacturer. Refer to the figure below for a visual representation:

Networking device nomenclature mac address structure v2.png

Teltonika OUI

The following MAC addresses belong to Teltonika:

Vendor MAC prefix (OUI) Possible MAC addresses
Teltonika 00:1E:42 00:1E:42: [00:00:00 - FF:FF:FF]

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