Who owns MAC prefix 001C3C?

001C3C is registered to Seon Design Inc. in the IEEE MA-L registry.

What devices use 001C3C?

Any network device with a MAC address starting 00:1C:3C was manufactured by or for Seon Design Inc..

MA-L · OUI prefix

Seon Design Inc.

Any MAC address starting 00:1C:3C is registered to Seon Design Inc..

OUI prefix	001C3C
Vendor	Seon Design Inc.
Registry	MA-L (24-bit, large block)
Example MAC	00:1C:3C:00:00:00

What this means

The IEEE assigned the MA-L block 001C3C to Seon Design 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 00:1C:3C, it is Seon Design Inc. hardware.

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