AI
IEEE Registrant 15 Prefixes

Adtran Inc

www.adtran.com

Adtran Inc, accessible at www.adtran.com, manages 15 unique MAC address prefixes. These prefixes have a total block size of 251.7 million addresses.

The allocation includes the following types: MA-L(MAC Address Block Large, 16,777,216 addresses each).

The company registered its MAC address allocation on 22 April 1998, and the most recent update was made on 14 July 2025. These allocations support network identification and communication globally.

Unique prefixes 15
Block Size 251658225 (251.65 M)
First registration 22 April 1998
Last updated 14 July 2025

Entity Details

Unique prefixes 15
Block Size 251658225 (251.65 M)
Website www.adtran.com
First registration 22 April 1998
Last updated 14 July 2025

Types

MA-L: Block Type

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

Registered MAC Prefixes

All Organizationally Unique Identifiers and MAC ranges assigned to this vendor

15 Records
MAC PrefixTypeRegistration Date
00:01:4F MA-L2000-11-09
00:19:92 MA-L2006-09-25
00:24:45 MA-L2008-12-03
00:A0:C8 MA-L1998-04-22
20:5F:3D MA-L2019-05-10
28:D0:CB MA-L2018-04-25
38:F8:F6 MA-L2022-09-15
54:22:E0 MA-L2023-10-19
58:87:85 MA-L2025-07-14
64:A0:AC MA-L2025-05-12
84:4D:4C MA-L2024-10-29
AC:13:9C MA-L2021-01-05
AC:51:EE MA-L2012-02-04
BC:21:06 MA-L2025-07-14
CC:66:18 MA-L2022-01-22