MC
IEEE Registrant 19 Prefixes

Monnit Corporation

Monnit Corporation manages 19 unique MAC address prefixes. These prefixes have a total block size of 1.1 million addresses.

The allocation includes the following types: 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 12 August 2015, and the most recent update was made on 12 February 2026. These allocations support network identification and communication globally.

Unique prefixes 19
Block Size 1122285 (1.12 M)
First registration 12 August 2015
Last updated 12 February 2026

Entity Details

Unique prefixes 19
Block Size 1122285 (1.12 M)
First registration 12 August 2015
Last updated 12 February 2026

Types

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

19 Records
MAC PrefixTypeRegistration Date
6C:47:80:5 MA-M2026-02-12
70:B3:D5:02:E MA-S2017-03-08
70:B3:D5:23:6 MA-S2018-02-15
70:B3:D5:37:7 MA-S2015-08-12
70:B3:D5:39:3 MA-S2020-04-02
70:B3:D5:A1:E MA-S2021-01-21
70:B3:D5:D1:6 MA-S2019-07-25
70:B3:D5:D1:A MA-S2018-12-16
8C:1F:64:06:D MA-S2021-07-29
8C:1F:64:23:2 MA-S2023-05-02
8C:1F:64:48:B MA-S2024-01-11
8C:1F:64:63:E MA-S2025-04-19
8C:1F:64:66:E MA-S2024-05-08
8C:1F:64:73:9 MA-S2022-06-17
8C:1F:64:94:E MA-S2022-01-21
8C:1F:64:A2:8 MA-S2025-09-26
8C:1F:64:AD:7 MA-S2023-08-18
8C:1F:64:D1:A MA-S2025-01-16
8C:1F:64:EC:F MA-S2022-11-22