Who owns MAC prefix AC1DDF9?

AC1DDF9 is registered to Solare Datensysteme GmbH in the IEEE MA-M registry.

What devices use AC1DDF9?

Any network device with a MAC address starting AC:1D:DF:9 was manufactured by or for Solare Datensysteme GmbH.

MA-M · OUI prefix

Solare Datensysteme GmbH

Any MAC address starting AC:1D:DF:9 is registered to Solare Datensysteme GmbH in DE.

OUI prefix	AC1DDF9
Vendor	Solare Datensysteme GmbH
Registry	MA-M (28-bit, medium block)
Country	DE
Example MAC	AC:1D:DF:9:00:00:00

What this means

The IEEE assigned the MA-M block AC1DDF9 to Solare Datensysteme 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 AC:1D:DF:9, it is Solare Datensysteme GmbH hardware.

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