Who owns MAC prefix F4CD90?

F4CD90 is registered to Vispiron Rotec GmbH in the IEEE MA-L registry.

What devices use F4CD90?

Any network device with a MAC address starting F4:CD:90 was manufactured by or for Vispiron Rotec GmbH.

MA-L · OUI prefix

Vispiron Rotec GmbH

Any MAC address starting F4:CD:90 is registered to Vispiron Rotec GmbH in DE.

OUI prefix	F4CD90
Vendor	Vispiron Rotec GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	F4:CD:90:00:00:00

What this means

The IEEE assigned the MA-L block F4CD90 to Vispiron Rotec 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 F4:CD:90, it is Vispiron Rotec GmbH hardware.

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