MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
CI
IEEE Registrant 2 Prefixes
Caterpillar, Inc
Caterpillar, Inc manages 2 unique MAC address prefixes. These prefixes have a total block size of 33.6 million addresses.
The allocation includes the following types: CID(Company Identifier, not for globally unique applications) and MA-L(MAC Address Block Large, 16,777,216 addresses each).
The company registered its MAC address allocation on 14 October 2002, and the most recent update was made on 13 January 2019. These allocations support network identification and communication globally.
Unique prefixes 2
Block Size 33554430 (33.55 M)
First registration 14 October 2002
Last updated 13 January 2019
Entity Details
Unique prefixes 2
Block Size 33554430 (33.55 M)
First registration 14 October 2002
Last updated 13 January 2019
Types
CID: Block Type
Company Identifier. This prefix will not be used for globally unique applications. Number of address 2^24 (~16 Million)MA-L: Block Type
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)