# oui

> CLI to look up MAC addresses for their vendor in the IEEE OUI database

Latest version **13.3.2** (published 2026-09-25) · BSD-2-Clause license · 0 weekly downloads

## Install

```sh
npm install oui
pnpm add oui
yarn add oui
bun add oui
```

Provides the command `oui`.

## Health

**Score 65/100 (B)** — status: active.

Positive: esm support; no vulnerabilities; has provenance; recently updated; high maintenance score.

Warnings: low downloads; no types.

## Facts

| | |
|---|---|
| Version | 13.3.2 |
| Published | 2026-09-25 |
| First published | 2014-06-29 |
| Weekly downloads | 0 |
| License | BSD-2-Clause |
| TypeScript types | none |
| Module format | ESM |
| Dependencies | 1 |
| Unpacked size | 2.3 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Provenance | attested (GitHub Actions) |
| GitHub stars | 107 |
| Author | silverwind <me@silverwind.io> |
| Maintainers | silverwind |

## Links

- npm: https://www.npmjs.com/package/oui
- Repository: https://github.com/silverwind/oui
- npm.io page: https://npm.io/package/oui

## Dependencies (1)

- [oui-data](https://npm.io/package/oui-data.md) ^2.1.30

## Recent versions

- 13.3.2 (latest) — 2026-09-25
- 13.3.1 — 2026-08-05
- 13.3.0 — 2026-08-05
- 13.2.0 — 2026-08-05
- 13.1.7 — 2026-04-21
- 13.1.6 — 2026-03-24
- 13.1.5 — 2026-02-09
- 13.1.4 — 2026-02-09
- 13.1.3 — 2026-01-22
- 13.1.2 — 2026-01-22
- 13.1.1 — 2025-09-29
- 13.1.0 — 2025-09-17
- 13.0.5 — 2024-03-26
- 13.0.4 — 2023-10-23
- 13.0.3 — 2023-10-06
- … 484 more at https://npm.io/package/oui/versions

## README

# oui
[![](https://img.shields.io/npm/v/oui.svg?style=flat)](https://www.npmjs.org/package/oui) [![](https://img.shields.io/npm/dm/oui.svg)](https://www.npmjs.org/package/oui) [![](https://packagephobia.com/badge?p=oui)](https://packagephobia.com/result?p=oui)
> CLI to look up MAC addresses for their vendor in the IEEE OUI database

## Usage
```console
$ npm i -g oui
$ oui 20:37:06:12:34:56
Cisco Systems, Inc
80 West Tasman Drive
San Jose CA 94568
United States
```

© [silverwind](https://github.com/silverwind), distributed under BSD licence

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_Source: https://npm.io/package/oui · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._