Who owns MAC prefix A4DE50?

A4DE50 is registered to Total Walther GmbH in the IEEE MA-L registry.

What devices use A4DE50?

Any network device with a MAC address starting A4:DE:50 was manufactured by or for Total Walther GmbH.

MA-L · OUI prefix

Total Walther GmbH

Any MAC address starting A4:DE:50 is registered to Total Walther GmbH in DE.

OUI prefix	A4DE50
Vendor	Total Walther GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	A4:DE:50:00:00:00

What this means

The IEEE assigned the MA-L block A4DE50 to Total Walther 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 A4:DE:50, it is Total Walther GmbH hardware.

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