Who owns MAC prefix 8C1F64BD9?

8C1F64BD9 is registered to WATTS in the IEEE MA-S registry.

What devices use 8C1F64BD9?

Any network device with a MAC address starting 8C:1F:64:BD:9 was manufactured by or for WATTS.

MA-S · OUI prefix

WATTS

Any MAC address starting 8C:1F:64:BD:9 is registered to WATTS in FR.

OUI prefix	8C1F64BD9
Vendor	WATTS
Registry	MA-S (36-bit, small block)
Country	FR
Example MAC	8C:1F:64:BD:9:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F64BD9 to WATTS. 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 8C:1F:64:BD:9, it is WATTS hardware.

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