Who owns MAC prefix 000CDD?

000CDD is registered to AOS technologies AG in the IEEE MA-L registry.

What devices use 000CDD?

Any network device with a MAC address starting 00:0C:DD was manufactured by or for AOS technologies AG.

MA-L · OUI prefix

AOS technologies AG

Any MAC address starting 00:0C:DD is registered to AOS technologies AG in CH.

OUI prefix	000CDD
Vendor	AOS technologies AG
Registry	MA-L (24-bit, large block)
Country	CH
Example MAC	00:0C:DD:00:00:00

What this means

The IEEE assigned the MA-L block 000CDD to AOS technologies 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 00:0C:DD, it is AOS technologies AG hardware.

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