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OUI Lookup Tool

This tool uses the OUI database from IEEE. (OUI database last updated: 2025 October 26 08:00 UTC)
Enter a list or OUIs or MAC addresses below. The format may include colons, periods, hyphens or underscores. Character limit is 5000.

Invalid input will simply be ignored.

OUI Lookup:

Any tools provided here are as is, no warranty provided, use at your own risk.

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Lightbulb icon by iconoci from the Noun Project...slightly modified.

This product includes GeoLite2 data created by MaxMind, available from http://www.maxmind.com.