Who owns MAC prefix 1C0FCF?

1C0FCF is registered to Sypro Optics GmbH in the IEEE MA-L registry.

What devices use 1C0FCF?

Any network device with a MAC address starting 1C:0F:CF was manufactured by or for Sypro Optics GmbH.

MA-L · OUI prefix

Sypro Optics GmbH

Any MAC address starting 1C:0F:CF is registered to Sypro Optics GmbH in DE.

OUI prefix	1C0FCF
Vendor	Sypro Optics GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	1C:0F:CF:00:00:00

What this means

The IEEE assigned the MA-L block 1C0FCF to Sypro Optics GmbH. 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 1C:0F:CF, it is Sypro Optics GmbH hardware.

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