OUI Lookup and Database APK

OUI Lookup and Database

Overview

• OUI Lookup is a specialized network tool designed to simplify the identification of hardware manufacturers through MAC addresses.

• By decoding the Organizationally Unique Identifier (OUI), this utility provides critical hardware details for network administrators, cybersecurity analysts, and IT professionals.

Core Search Capabilities

1. MAC to Manufacturer Lookup:

• Input any standard MAC address into the search bar to instantly identify the registered manufacturer of the specific network interface card.

2. Manufacturer to OUI Search:

• Enter the name of a hardware company to retrieve a comprehensive list of all OUIs officially assigned to that organization.

Reliable Data and Offline Portability

1. Official IEEE Database:

• To guarantee accuracy, the internal database is sourced directly from the Institute of Electrical and Electronics Engineers (IEEE) registration authority.

2. Full Offline Functionality:

• All search operations are processed locally on your device. An internet connection is never required for daily lookups, but is used only when you choose to update the database to the latest version.

Efficiency and Automation Features

1. High-Volume Bulk Lookup:

• Process multiple addresses simultaneously.

• The entry field accepts lists separated by commas, semicolons, spaces, or line breaks, allowing you to scan entire network segments at once.

2. Intelligent Clipboard Integration:

• The application automatically detects and imports MAC addresses from your clipboard upon opening, eliminating the need for manual copying and pasting.

User Interface and Design

1. Dark Theme Support:

• Features a fully integrated dark mode designed to reduce eye strain during prolonged use or late-night network audits.

2. Streamlined Layout:

• The clean, distraction-free interface prioritizes speed, ensuring you get search results instantly without unnecessary configurations.

FAQ

Q: How does the MAC to manufacturer lookup feature work?

A: You can input any standard MAC address into the search bar, and the tool will instantly identify the registered manufacturer of that specific network interface card.

Q: Can I search for all OUIs assigned to a specific hardware company?

A: Yes, you can use the manufacturer to OUI search capability. By entering the name of a hardware company, you can retrieve a comprehensive list of all OUIs officially assigned to that organization.

Q: Where does the database information come from?

A: To guarantee complete accuracy, the internal database is sourced directly from the Institute of Electrical and Electronics Engineers registration authority.

Version History

v1.6.6——27 Jul 2026

Find a device's manufacturer by its MAC address and browse OUIs assignments Download the latest version of OUI Lookup and Database to enjoy new features and updates immediately!

*1.6.6

* Network db update restored

* Added organization details on tap

* Bundled OUI list updated

* Dependencies update

*1.6.5

* Added support for Android 16 and 15

* Bundled OUI list updated

* Dependencies update

* Dropped support for Android versions below 8

*1.6.4

* Bundled OUI list updated

* Fixed crash when opening settings