MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Holtek Semiconductor Inc.
OUI: 04:AC:44
Vendor name: Holtek Semiconductor Inc.
Address:
Assignment Type MA-L No.3
Creation Rd. II
Science Park
Hsinchu 300
TW.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 31 October 2017
