Who owns MAC prefix 0009C1?

0009C1 is registered to PROCES-DATA A/S in the IEEE MA-L registry.

What devices use 0009C1?

Any network device with a MAC address starting 00:09:C1 was manufactured by or for PROCES-DATA A/S.

MA-L · OUI prefix

PROCES-DATA A/S

Any MAC address starting 00:09:C1 is registered to PROCES-DATA A/S in DK.

OUI prefix	0009C1
Vendor	PROCES-DATA A/S
Registry	MA-L (24-bit, large block)
Country	DK
Example MAC	00:09:C1:00:00:00

What this means

The IEEE assigned the MA-L block 0009C1 to PROCES-DATA A/S. 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 00:09:C1, it is PROCES-DATA A/S hardware.

Look up another MAC