SC
IEEE Registrant 4 Prefixes

Shenzhen Cudy Technology Co., Ltd.

Shenzhen Cudy Technology Co., Ltd. manages 4 unique MAC address prefixes. These prefixes have a total block size of 35.7 million addresses.

The allocation includes the following types: MA-L(MAC Address Block Large, 16,777,216 addresses each) and MA-M(MAC Address Block Medium, 1,048,576 addresses each).

The company registered its MAC address allocation on 14 June 2018, and the most recent update was made on 03 September 2025. These allocations support network identification and communication globally.

Unique prefixes 4
Block Size 35651580 (35.65 M)
First registration 14 June 2018
Last updated 03 September 2025

Entity Details

Unique prefixes 4
Block Size 35651580 (35.65 M)
First registration 14 June 2018
Last updated 03 September 2025

Types

MA-L: Block Type

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

MA-M: Block Type

Mac Address Block Medium. Number of address 2^20 (~1 Million)

Registered MAC Prefixes

All Organizationally Unique Identifiers and MAC ranges assigned to this vendor

4 Records
MAC PrefixTypeRegistration Date
80:AF:CA MA-L2022-12-22
B4:4B:D6:2 MA-M2018-06-14
D4:0D:AB MA-L2025-09-03
F4:A4:54:8 MA-M2021-09-16