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IEEE Registrant 14 Prefixes

HEITEC AG

HEITEC AG manages 14 unique MAC address prefixes. These prefixes have a total block size of 1.1 million addresses.

The allocation includes the following types: IAB(Individual Address Block), MA-M(MAC Address Block Medium, 1,048,576 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 16 May 2013, and the most recent update was made on 02 March 2026. These allocations support network identification and communication globally.

Unique prefixes 14
Block Size 1101810 (1.1 M)
First registration 16 May 2013
Last updated 02 March 2026

Entity Details

Unique prefixes 14
Block Size 1101810 (1.1 M)
First registration 16 May 2013
Last updated 02 March 2026

Types

IAB: Block Type

Individual Address Blocks. Number of address 2^24 (~16 Million)

MA-M: Block Type

Mac Address Block Medium. Number of address 2^20 (~1 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

14 Records
MAC PrefixTypeRegistration Date
40:D8:55:0E:8 IAB2013-05-16
70:B3:D5:22:8 MA-S2018-02-15
70:B3:D5:55:7 MA-S2017-07-23
70:B3:D5:F4:8 MA-S2019-04-12
8C:1F:64:04:2 MA-S2023-09-20
8C:1F:64:28:0 MA-S2024-02-09
8C:1F:64:3E:9 MA-S2025-01-30
8C:1F:64:5B:C MA-S2021-11-04
8C:1F:64:72:4 MA-S2025-01-10
8C:1F:64:7E:1 MA-S2023-06-19
8C:1F:64:E2:5 MA-S2026-03-02
8C:1F:64:E5:8 MA-S2024-09-19
8C:1F:64:E7:6 MA-S2024-06-03
C8:F5:D6:E MA-M2021-03-09