Who owns MAC prefix ACDB22?

ACDB22 is registered to Marquardt Schaltsysteme SCS in the IEEE MA-L registry.

What devices use ACDB22?

Any network device with a MAC address starting AC:DB:22 was manufactured by or for Marquardt Schaltsysteme SCS.

MA-L · OUI prefix

Marquardt Schaltsysteme SCS

Any MAC address starting AC:DB:22 is registered to Marquardt Schaltsysteme SCS in RO.

OUI prefix	ACDB22
Vendor	Marquardt Schaltsysteme SCS
Registry	MA-L (24-bit, large block)
Country	RO
Example MAC	AC:DB:22:00:00:00

What this means

The IEEE assigned the MA-L block ACDB22 to Marquardt Schaltsysteme SCS. 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 AC:DB:22, it is Marquardt Schaltsysteme SCS hardware.

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