AB
IEEE Registrant 10 Prefixes

ABB

ABB manages 10 unique MAC address prefixes. These prefixes have a total block size of 41 thousand addresses.

The allocation includes the following types: IAB(Individual Address Block) 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 21 February 2011, and the most recent update was made on 12 May 2025. These allocations support network identification and communication globally.

Unique prefixes 10
Block Size 40950 (40.95 k)
First registration 21 February 2011
Last updated 12 May 2025

Entity Details

Unique prefixes 10
Block Size 40950 (40.95 k)
First registration 21 February 2011
Last updated 12 May 2025

Types

IAB: Block Type

Individual Address Blocks. 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

10 Records
MAC PrefixTypeRegistration Date
00:50:C2:75:3 IAB2011-02-21
70:B3:D5:08:0 MA-S2019-02-25
70:B3:D5:89:2 MA-S2016-02-18
70:B3:D5:C4:7 MA-S2020-10-17
8C:1F:64:32:A MA-S2025-05-12
8C:1F:64:6D:0 MA-S2022-10-20
8C:1F:64:71:8 MA-S2023-10-19
8C:1F:64:85:2 MA-S2022-10-18
8C:1F:64:B2:4 MA-S2023-11-16
8C:1F:64:FB:1 MA-S2021-08-24