MAC Lookup
Find the vendor/manufacturer for any MAC address or search by vendor name
SearchMAC Address
Enter a MAC address (00:1A:2B:3C:4D:5E) or vendor name (Apple, Intel, Cisco)
About OUI
The OUI (Organizationally Unique Identifier) is the first 3 bytes (24 bits) of a MAC address. It identifies the manufacturer or vendor of the network interface.
MAC addresses are assigned by the IEEE to hardware manufacturers. The OUI database is updated from the official IEEE registry.