Who owns MAC prefix D0A311?

D0A311 is registered to Neuberger Gebäudeautomation GmbH in the IEEE MA-L registry.

What devices use D0A311?

Any network device with a MAC address starting D0:A3:11 was manufactured by or for Neuberger Gebäudeautomation GmbH.

MA-L · OUI prefix

Neuberger Gebäudeautomation GmbH

Any MAC address starting D0:A3:11 is registered to Neuberger Gebäudeautomation GmbH in DE.

OUI prefix	D0A311
Vendor	Neuberger Gebäudeautomation GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	D0:A3:11:00:00:00

What this means

The IEEE assigned the MA-L block D0A311 to Neuberger Gebäudeautomation 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 D0:A3:11, it is Neuberger Gebäudeautomation GmbH hardware.

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