Who owns MAC prefix CC4BFB?

CC4BFB is registered to Hellberg Safety AB in the IEEE MA-L registry.

What devices use CC4BFB?

Any network device with a MAC address starting CC:4B:FB was manufactured by or for Hellberg Safety AB.

MA-L · OUI prefix

Hellberg Safety AB

Any MAC address starting CC:4B:FB is registered to Hellberg Safety AB in SE.

OUI prefix	CC4BFB
Vendor	Hellberg Safety AB
Registry	MA-L (24-bit, large block)
Country	SE
Example MAC	CC:4B:FB:00:00:00

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.

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