Fresenius Medical Care Deutschland GmbH - MAC Prefix B04C05 (MA-L)

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.

Frequently Asked Questions

Who owns MAC prefix B04C05?

B04C05 is registered to Fresenius Medical Care Deutschland GmbH 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. Fresenius Medical Care Deutschland GmbH's block covers 16,777,216 addresses.

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.

OUI prefix	B04C05
Vendor	Fresenius Medical Care Deutschland GmbH
Registry	MA-L (24-bit, large block)
Block size	16,777,216 addresses
Country	DE
Other blocks by this vendor	1 total
Example MAC	B0:4C:05:00:00:00