The Chamberlain Group, Inc

The Chamberlain Group, Inc , manages 4 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 67.1 million addresses.

The allocation includes the following types: MA-L (Mac Address Block Large, ~16 million addresses each).

The company registered its MAC address allocation on 26 November 2011, and the most recent update was made on 27 November 2024. These allocations support network identification and communication globally.

Unique prefixes: 4

Block Size: 67108860 (67.1 M)

First registration: 26 November 2011

Last updated: 27 November 2024

Types

MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

MAC Prefix Type Registration Date
0C:95:05 MA-L 2022-11-23
44:11:46 MA-L 2024-11-27
64:52:99 MA-L 2011-11-26
CC:6A:10 MA-L 2019-08-03