Who owns MAC prefix B84C874?

B84C874 is registered to Blum Novotest GmbH in the IEEE MA-M registry.

What devices use B84C874?

Any network device with a MAC address starting B8:4C:87:4 was manufactured by or for Blum Novotest GmbH.

MA-M · OUI prefix

Blum Novotest GmbH

Any MAC address starting B8:4C:87:4 is registered to Blum Novotest GmbH in DE.

OUI prefix	B84C874
Vendor	Blum Novotest GmbH
Registry	MA-M (28-bit, medium block)
Country	DE
Example MAC	B8:4C:87:4:00:00:00

What this means

The IEEE assigned the MA-M block B84C874 to Blum Novotest 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 B8:4C:87:4, it is Blum Novotest GmbH hardware.

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