Who owns MAC prefix 7CDD20?

7CDD20 is registered to IOXOS Technologies S.A. in the IEEE MA-L registry.

What devices use 7CDD20?

Any network device with a MAC address starting 7C:DD:20 was manufactured by or for IOXOS Technologies S.A..

MA-L · OUI prefix

IOXOS Technologies S.A.

Any MAC address starting 7C:DD:20 is registered to IOXOS Technologies S.A. in CH.

OUI prefix	7CDD20
Vendor	IOXOS Technologies S.A.
Registry	MA-L (24-bit, large block)
Country	CH
Example MAC	7C:DD:20:00:00:00

What this means

The IEEE assigned the MA-L block 7CDD20 to IOXOS Technologies S.A.. 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 7C:DD:20, it is IOXOS Technologies S.A. hardware.

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