OUI Lookup
4cfbf4
Optimal Audio Ltd
Manufacturer Information
- OUI Prefix
- 4cfbf4
- Manufacturer
- Optimal Audio Ltd
- Address
- Century Point, Halifax Rd High Wycombe GB HP12 3SL
- Last updated
- 6/9/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 4CFBF4
The OUI prefix 4CFBF4 is assigned to Optimal Audio Ltd, based in Century Point, Halifax Rd High Wycombe GB HP12 3SL . 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 Optimal Audio Ltd.