What this means
The IEEE assigned the MA-L block CC47BD to Rhombus Systems. 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 CC:47:BD, it is Rhombus Systems hardware.
Frequently Asked Questions
Who owns MAC prefix CC47BD?
CC47BD is registered to Rhombus Systems 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. Rhombus Systems's block covers 16,777,216 addresses.
What devices use CC47BD?
Any network device with a MAC address starting CC:47:BD was manufactured by or for Rhombus Systems.