Holtek Semiconductor Inc.

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 Prefix Type Registration Date
04:AC:44 MA-L 2017-10-31
B8:CA:04 MA-L 2017-09-06