OUI Lookup
b8ca04
Holtek Semiconductor Inc.
Manufacturer Information
- OUI Prefix
- b8ca04
- Manufacturer
- Holtek Semiconductor Inc.
- Address
- No.3, Creation Rd. II, Science Park Hsinchu TW 300
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 2
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix B8CA04
The OUI prefix B8CA04 is assigned to Holtek Semiconductor Inc., based in No.3, Creation Rd. II, Science Park Hsinchu TW 300 . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to Holtek Semiconductor Inc..