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MAC Address Vendor Lookup

Determine Manufacturer from OUI (IEEE) of a MAC Address

Formate: AA:BB:CC:DD:EE:FF · AA-BB-CC-DD-EE-FF · AABBCCDDEEFF · Nur OUI (AA:BB:CC)

OUI (Organizationally Unique Identifier): The first 3 octets (24 bits) of a MAC address identify the device manufacturer.

Bit 0 of the 1st Octet:0 = Unicast, 1 = Multicast

Bit 1 of the 1st Octet:0 = Global (IEEE vergeben), 1 = Lokal administriert