OUI Lookup
b4fc75
SEMA Electronics(HK) CO.,LTD
Manufacturer Information
- OUI Prefix
- b4fc75
- Manufacturer
- SEMA Electronics(HK) CO.,LTD
- Address
- Xialingbei Industrial Zone Liaobu, Dongguan Guangdong CN 523411
- Last updated
- 6/14/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix B4FC75
The OUI prefix B4FC75 is assigned to SEMA Electronics(HK) CO.,LTD, based in Xialingbei Industrial Zone Liaobu, Dongguan Guangdong CN 523411 . 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 SEMA Electronics(HK) CO.,LTD.