Qingdao HaierTechnology Co.,Ltd

Qingdao HaierTechnology Co.,Ltd , manages 2 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 33.6 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 14 October 2025, and the most recent update was made on 13 November 2025. These allocations support network identification and communication globally.

Unique prefixes: 2

Block Size: 33554430 (33.55 M)

First registration: 14 October 2025

Last updated: 13 November 2025

Types

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

MAC PrefixTypeRegistration Date
04:39:CB MA-L2025-10-14
04:C9:DE MA-L2025-11-13