ME
IEEE Registrant 3 Prefixes

MITSUBISHI ELECTRIC SYSTEM & SERVICE CO.,LTD.

MITSUBISHI ELECTRIC SYSTEM & SERVICE CO.,LTD. manages 3 unique MAC address prefixes. These prefixes have a total block size of 16.8 million addresses.

The allocation includes the following types: IAB(Individual Address Block), MA-L(MAC Address Block Large, 16,777,216 addresses each) and MA-S(MAC Address Block Small, previously named OUI-36, encompasses IAB assignments, 4,096 addresses each).

The company registered its MAC address allocation on 14 October 2002, and the most recent update was made on 22 May 2025. These allocations support network identification and communication globally.

Unique prefixes 3
Block Size 16785405 (16.78 M)
First registration 14 October 2002
Last updated 22 May 2025

Entity Details

Unique prefixes 3
Block Size 16785405 (16.78 M)
First registration 14 October 2002
Last updated 22 May 2025

Types

IAB: Block Type

Individual Address Blocks. 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)

MA-S: Block Type

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

Registered MAC Prefixes

All Organizationally Unique Identifiers and MAC ranges assigned to this vendor

3 Records
MAC PrefixTypeRegistration Date
00:0A:66 MA-L2002-10-14
40:D8:55:0B:4 IAB2013-04-03
8C:1F:64:E0:5 MA-S2025-05-22