Who owns MAC prefix 0009FF?

0009FF is registered to X.net 2000 GmbH in the IEEE MA-L registry.

What devices use 0009FF?

Any network device with a MAC address starting 00:09:FF was manufactured by or for X.net 2000 GmbH.

MA-L · OUI prefix

X.net 2000 GmbH

Any MAC address starting 00:09:FF is registered to X.net 2000 GmbH in DE.

OUI prefix	0009FF
Vendor	X.net 2000 GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:09:FF:00:00:00

What this means

The IEEE assigned the MA-L block 0009FF to X.net 2000 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 00:09:FF, it is X.net 2000 GmbH hardware.

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