What this means
The IEEE assigned the MA-L block B43DB2 to Degreane Horizon. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting B4:3D:B2, it is Degreane Horizon hardware.
Frequently Asked Questions
Who owns MAC prefix B43DB2?
B43DB2 is registered to Degreane Horizon in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Degreane Horizon's block covers 16,777,216 addresses.
What devices use B43DB2?
Any network device with a MAC address starting B4:3D:B2 was manufactured by or for Degreane Horizon.