MAC Address Vendor Lookup
Enter a MAC address to identify its manufacturer from the OUI prefix, plus its unicast/multicast and local/global scope.
Three steps, no setup
Enter a MAC address
Any common separator format — colons, hyphens, or none — is accepted.
See the vendor
The first three octets are matched against a local OUI reference table.
Check address type
See whether the address is unicast or multicast, and globally or locally administered.
Frequently asked questions
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