MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Caterpillar, Inc
Unique prefixes: 2
Block Size: 33554430 (33.55 M)
First registration: 14 October 2002
Last updated: 13 January 2019
Types
CID: Company Identifier. This prefix will not be used for globally unique applications. Number of address 2^24 (~16 Million)
MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)