Who owns MAC prefix 3806B4?

3806B4 is registered to A.D.C. GmbH in the IEEE MA-L registry.

What devices use 3806B4?

Any network device with a MAC address starting 38:06:B4 was manufactured by or for A.D.C. GmbH.

MA-L · OUI prefix

A.D.C. GmbH

Any MAC address starting 38:06:B4 is registered to A.D.C. GmbH in DE.

OUI prefix	3806B4
Vendor	A.D.C. GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	38:06:B4:00:00:00

What this means

The IEEE assigned the MA-L block 3806B4 to A.D.C. 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 38:06:B4, it is A.D.C. GmbH hardware.

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