Who owns MAC prefix 0009CB?

0009CB is registered to HBrain in the IEEE MA-L registry.

What devices use 0009CB?

Any network device with a MAC address starting 00:09:CB was manufactured by or for HBrain.

MA-L · OUI prefix

HBrain

Any MAC address starting 00:09:CB is registered to HBrain in KR.

OUI prefix	0009CB
Vendor	HBrain
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	00:09:CB:00:00:00

What this means

The IEEE assigned the MA-L block 0009CB to HBrain. 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 00:09:CB, it is HBrain hardware.

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