Who owns MAC prefix AC1DDFD?

AC1DDFD is registered to Elekon AG in the IEEE MA-M registry.

What devices use AC1DDFD?

Any network device with a MAC address starting AC:1D:DF:D was manufactured by or for Elekon AG.

MA-M · OUI prefix

Elekon AG

Any MAC address starting AC:1D:DF:D is registered to Elekon AG in CH.

OUI prefix	AC1DDFD
Vendor	Elekon AG
Registry	MA-M (28-bit, medium block)
Country	CH
Example MAC	AC:1D:DF:D:00:00:00

What this means

The IEEE assigned the MA-M block AC1DDFD to Elekon AG. 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:D, it is Elekon AG hardware.

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