What this means
The IEEE assigned the MA-L block 08CBE5 to R3 Solutions 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 08:CB:E5, it is R3 Solutions GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 08CBE5?
08CBE5 is registered to R3 Solutions 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. R3 Solutions GmbH's block covers 16,777,216 addresses.
What devices use 08CBE5?
Any network device with a MAC address starting 08:CB:E5 was manufactured by or for R3 Solutions GmbH.