OUI Lookup
b81f5e
Apption Labs Limited
Manufacturer Information
- OUI Prefix
- b81f5e
- Manufacturer
- Apption Labs Limited
- Address
- 7-8 Westbridge Close Leicester GB LE3 5LW
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix B81F5E
The OUI prefix B81F5E is assigned to Apption Labs Limited, based in 7-8 Westbridge Close Leicester GB LE3 5LW . 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 Apption Labs Limited.