AltoBeam Inc.

AltoBeam Inc. , manages 18 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 302 million addresses.

The allocation includes the following types: MA-L (Mac Address Block Large, ~16 million addresses each).

The company registered its MAC address allocation on 10 November 2022, and the most recent update was made on 28 January 2025. These allocations support network identification and communication globally.

Unique prefixes: 18

Block Size: 301989870 (301.98 M)

First registration: 10 November 2022

Last updated: 28 January 2025

Types

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

MAC PrefixTypeRegistration Date
20:98:ED MA-L2024-01-23
2C:D8:DE MA-L2024-07-30
30:BE:29 MA-L2024-12-24
38:54:F5 MA-L2024-07-18
44:72:AC MA-L2024-03-26
48:A4:FD MA-L2024-06-10
4C:2F:7B MA-L2025-01-28
4C:37:DE MA-L2025-01-13
4C:60:BA MA-L2023-08-17
5C:4E:EE MA-L2024-07-05
60:56:EE MA-L2024-08-23
60:DC:81 MA-L2023-02-10
6C:22:1A MA-L2023-05-25
90:31:4B MA-L2022-11-10
98:A8:29 MA-L2023-12-08
C0:8A:60 MA-L2024-05-07
E0:22:A1 MA-L2024-11-13
E8:F4:94 MA-L2024-09-23