Commonwealth Scientific and Industrial Research Organisation

Commonwealth Scientific and Industrial Research Organisation , manages 2 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 16.8 million addresses.

The allocation includes the following types: MA-L (Mac Address Block Large, ~16 million addresses each), and MA-S (Mac Address Block Small, previously named OUI-36, encompasses IAB Assignments, ~4096 addresses each).

The company registered its MAC address allocation on 06 August 2011, and the most recent update was made on 25 June 2019. These allocations support network identification and communication globally.

Unique prefixes: 2

Block Size: 16781310 (16.78 M)

First registration: 06 August 2011

Last updated: 25 June 2019

Types

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

MA-S:Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)

MAC PrefixTypeRegistration Date
00:1B:C5:01:B MA-S2011-08-06
D8:97:90 MA-L2019-06-25