What this means
The IEEE assigned the MA-L block CC4BFB to Hellberg Safety AB. 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:4B:FB, it is Hellberg Safety AB hardware.
Frequently Asked Questions
Who owns MAC prefix CC4BFB?
CC4BFB is registered to Hellberg Safety AB 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. Hellberg Safety AB's block covers 16,777,216 addresses.
What devices use CC4BFB?
Any network device with a MAC address starting CC:4B:FB was manufactured by or for Hellberg Safety AB.