Who owns MAC prefix 943EFDA?

943EFDA is registered to Gebr. Kemper GmbH + Co. KG in the IEEE MA-M registry.

What devices use 943EFDA?

Any network device with a MAC address starting 94:3E:FD:A was manufactured by or for Gebr. Kemper GmbH + Co. KG.

MA-M · OUI prefix

Gebr. Kemper GmbH + Co. KG

Any MAC address starting 94:3E:FD:A is registered to Gebr. Kemper GmbH + Co. KG in DE.

OUI prefix	943EFDA
Vendor	Gebr. Kemper GmbH + Co. KG
Registry	MA-M (28-bit, medium block)
Country	DE
Example MAC	94:3E:FD:A:00:00:00

What this means

The IEEE assigned the MA-M block 943EFDA to Gebr. Kemper GmbH + Co. KG. 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 94:3E:FD:A, it is Gebr. Kemper GmbH + Co. KG hardware.

Look up another MAC