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/mac — MAC Address Tools
Generate random MAC addresses, or look up the vendor (OUI) behind one. Runs in your browser.

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Vendor lookup (OUI)

Loading the full IEEE registry (~39,000 vendors)… using a small built-in table for now.

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How this works

Stores only this report's id in your browser (localStorage) so a small note can pop up here once it ships. No account, nothing sent to us, no tracking. Clearing this site's data forgets it.
Changelog

What changed, and when. Newest first.

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