Who owns MAC prefix 6CDFFB5?

6CDFFB5 is registered to Greenbird Vertriebs GmbH in the IEEE MA-M registry.

What devices use 6CDFFB5?

Any network device with a MAC address starting 6C:DF:FB:5 was manufactured by or for Greenbird Vertriebs GmbH.

MA-M · OUI prefix

Greenbird Vertriebs GmbH

Any MAC address starting 6C:DF:FB:5 is registered to Greenbird Vertriebs GmbH in AT.

OUI prefix	6CDFFB5
Vendor	Greenbird Vertriebs GmbH
Registry	MA-M (28-bit, medium block)
Country	AT
Example MAC	6C:DF:FB:5:00:00:00

What this means

The IEEE assigned the MA-M block 6CDFFB5 to Greenbird Vertriebs 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 6C:DF:FB:5, it is Greenbird Vertriebs GmbH hardware.

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