MAC Address Vendor Directory
Browse organisation names and prefix assignments from the installed IEEE registry snapshot.
Organisations with the most assignments
Showing 100 prominent entries from 30,914 distinct registry organisation names. Use the search box to find another organisation.
How to interpret the directory
An organisation name identifies the registry holder for a prefix. It does not necessarily identify the brand printed on a device, its current owner, or the operator using it. Acquisitions, contract manufacturing, virtual interfaces and randomised addresses can all affect the result.
Read how to identify a device from a MAC address before using a registry result as part of an investigation.