What devices use B04C05?

Any network device with a MAC address starting B0:4C:05 was manufactured by or for Fresenius Medical Care Deutschland GmbH.

MA-L · OUI prefix

Fresenius Medical Care Deutschland GmbH

Q: Who owns MAC prefix B04C05?

B04C05 is registered to Fresenius Medical Care Deutschland GmbH in the IEEE MA-L registry.

Any MAC address starting B0:4C:05 is registered to Fresenius Medical Care Deutschland GmbH in DE.

OUI prefix	B04C05
Vendor	Fresenius Medical Care Deutschland GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	B0:4C:05:00:00:00

What this means

The IEEE assigned the MA-L block B04C05 to Fresenius Medical Care Deutschland 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 B0:4C:05, it is Fresenius Medical Care Deutschland GmbH hardware.

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