Networking & IT ToolsPrivate by design
MAC Address Vendor (OUI) Lookup
Enter a MAC address to look up its manufacturer from the first 3 bytes (the OUI), using a small reference list of common vendors.
How to use this tool
- 1Enter a MAC address in any common format.
- 2See the matched OUI prefix.
- 3See the identified vendor, if it's in the reference list.
Frequently asked questions
Why does my MAC address show as unknown?+
This tool only covers a small set of common vendors as a quick reference, and many modern devices use randomized/locally-administered MAC addresses for privacy that won't match any real manufacturer.
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