OUI Lookup
000cef
ONE Investment Group Limited
Manufacturer Information
- OUI Prefix
- 000cef
- Manufacturer
- ONE Investment Group Limited
- Address
- Unit 6 Chelmsford Road Industrial Estate, Chelmsford Road, Great Dunmow Essex GB CM6 1HD
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 000CEF
The OUI prefix 000CEF is assigned to ONE Investment Group Limited, based in Unit 6 Chelmsford Road Industrial Estate, Chelmsford Road, Great Dunmow Essex GB CM6 1HD . 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 ONE Investment Group Limited.