Who owns MAC prefix 9C1FDD?

9C1FDD is registered to Accupix Inc. in the IEEE MA-L registry.

What devices use 9C1FDD?

Any network device with a MAC address starting 9C:1F:DD was manufactured by or for Accupix Inc..

MA-L · OUI prefix

Accupix Inc.

Any MAC address starting 9C:1F:DD is registered to Accupix Inc. in KR.

OUI prefix	9C1FDD
Vendor	Accupix Inc.
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	9C:1F:DD:00:00:00

What this means

The IEEE assigned the MA-L block 9C1FDD to Accupix Inc.. 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 9C:1F:DD, it is Accupix Inc. hardware.

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