Who owns MAC prefix 3CD1C9?

3CD1C9 is registered to Groupe SEB in the IEEE MA-L registry.

What devices use 3CD1C9?

Any network device with a MAC address starting 3C:D1:C9 was manufactured by or for Groupe SEB.

MA-L · OUI prefix

Groupe SEB

Any MAC address starting 3C:D1:C9 is registered to Groupe SEB in FR.

OUI prefix	3CD1C9
Vendor	Groupe SEB
Registry	MA-L (24-bit, large block)
Country	FR
Example MAC	3C:D1:C9:00:00:00

What this means

The IEEE assigned the MA-L block 3CD1C9 to Groupe SEB. 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 3C:D1:C9, it is Groupe SEB hardware.

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