# MAC Address Lookup

Look up the vendor behind a MAC address OUI.

## URL

https://ilham.dev/tools/mac-address-lookup/

## What It Does

Look up the vendor registered to a MAC address's OUI — its first three octets — against the bundled IEEE registry.

## Features

- Runs in the browser
- No login required

## Input

text input.

## Output

text output.

## Privacy

Processing happens locally in the browser.

No input data is uploaded to ilham.dev.

- Requires login: false
- Requires API key: false
- Stores user data: false


## Examples

- Why does a lookup return nothing?




## Questions

### Why does a lookup return nothing?

The local list has only selected prefixes, so many genuine registered OUIs are absent. Virtual machines and randomized addresses can also use locally assigned prefixes. This result cannot identify a device or its owner reliably.