Security & Privacy · Open source
OUI Lookup and Database
Alberto Pedron
Find a device's manufacturer by its MAC address and browse OUIs assignments
Opens the official F-Droid page
About OUI Lookup and Database
With OUI Lookup you can figure out who manufactured a device simply by inserting its MAC address in the search bar.
You can also search for a manufacturer and see its assigned OUIs.
Features:
Trusted source - The database is sourced from the IEEE to be as correct and updated as possible. Works Offline - OUI Lookup works completely offline, an internet connection is only needed to update the database. Bulk lookup - You can paste a comma/semicolon/whitespace/new line separated list of MAC Addresses to perform a multiple lookup. Auto-paste from the clipboard when there is one or more MAC addresses Dark theme is supported
What's new in 1.6.7
* Made the data update process more reliable * Fixed an issue with data updates on devices using non-English languages * Updated the built-in manufacturer database (October 4, 2026) * Improved compatibility with Android 17
How to install OUI Lookup and Database
- Tap Download — the app's official page on F-Droid opens.
- Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
- If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
- Open OUI Lookup and Database from your app drawer.



