Ring LLC

Ring LLC , manages 13 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 218.1 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 01 March 2019, and the most recent update was made on 21 April 2026. These allocations support network identification and communication globally.

Unique prefixes: 13

Block Size: 218103795 (218.1 M)

First registration: 01 March 2019

Last updated: 21 April 2026

Types

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

MAC PrefixTypeRegistration Date
00:B4:63 MA-L2025-12-19
18:7F:88 MA-L2023-10-19
24:2B:D6 MA-L2025-07-29
34:3E:A4 MA-L2020-07-01
50:E4:67 MA-L2026-04-21
54:E0:19 MA-L2019-03-01
5C:47:5E MA-L2022-07-22
64:9A:63 MA-L2023-03-24
90:48:6C MA-L2022-01-22
9C:76:13 MA-L2021-01-16
AC:9F:C3 MA-L2024-09-13
C4:DB:AD MA-L2025-07-22
CC:3B:FB MA-L2025-03-18