BT
IEEE Registrant 11 Prefixes

Barrot Technology Co.,LTD

Barrot Technology Co.,LTD manages 11 unique MAC address prefixes. These prefixes have a total block size of 184.5 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 17 May 2019, and the most recent update was made on 24 July 2026. These allocations support network identification and communication globally.

Unique prefixes 11
Block Size 184549365 (184.54 M)
First registration 17 May 2019
Last updated 24 July 2026

Entity Details

Unique prefixes 11
Block Size 184549365 (184.54 M)
First registration 17 May 2019
Last updated 24 July 2026

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

11 Records
MAC PrefixTypeRegistration Date
04:7F:0E MA-L2019-05-17
10:23:81 MA-L2024-05-06
14:D7:25 MA-L2025-07-29
28:D4:1E MA-L2025-07-03
30:4A:C4 MA-L2025-06-03
60:6E:41 MA-L2022-10-04
84:A3:4B MA-L2026-07-24
E8:40:74 MA-L2025-08-07
EC:8F:72 MA-L2026-04-01
EC:A7:AD MA-L2022-11-17
F8:6B:14 MA-L2022-10-19