Holtek Semiconductor Inc.

Holtek Semiconductor Inc. , manages 2 unique MAC address prefixes. These prefixes have a total block size of 33.6 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 06 September 2017, and the most recent update was made on 31 October 2017. These allocations support network identification and communication globally.

Unique prefixes: 2

Block Size: 33554430 (33.55 M)

First registration: 06 September 2017

Last updated: 31 October 2017

Types

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

MAC PrefixTypeRegistration Date
04:AC:44 MA-L2017-10-31
B8:CA:04 MA-L2017-09-06