Security & Privacy · Open source

OUI Lookup and Database

Alberto Pedron

Find a device's manufacturer by its MAC address and browse OUIs assignments

Download

Opens the official F-Droid page

OUI Lookup and Database screenshot 1OUI Lookup and Database screenshot 2OUI Lookup and Database screenshot 3OUI Lookup and Database screenshot 4

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

  1. Tap Download — the app's official page on F-Droid opens.
  2. Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
  3. If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
  4. Open OUI Lookup and Database from your app drawer.

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