What this means
The IEEE assigned the MA-L block BCBBC9 to Kellendonk Elektronik GmbH. 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 BC:BB:C9, it is Kellendonk Elektronik GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix BCBBC9?
BCBBC9 is registered to Kellendonk Elektronik GmbH 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. Kellendonk Elektronik GmbH's block covers 16,777,216 addresses.
What devices use BCBBC9?
Any network device with a MAC address starting BC:BB:C9 was manufactured by or for Kellendonk Elektronik GmbH.