Who owns MAC prefix A4ED438?

A4ED438 is registered to Linseis Messgeraete GmbH in the IEEE MA-M registry.

What devices use A4ED438?

Any network device with a MAC address starting A4:ED:43:8 was manufactured by or for Linseis Messgeraete GmbH.

MA-M · OUI prefix

Linseis Messgeraete GmbH

Any MAC address starting A4:ED:43:8 is registered to Linseis Messgeraete GmbH in DE.

OUI prefix	A4ED438
Vendor	Linseis Messgeraete GmbH
Registry	MA-M (28-bit, medium block)
Country	DE
Example MAC	A4:ED:43:8:00:00:00

What this means

The IEEE assigned the MA-M block A4ED438 to Linseis Messgeraete 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:ED:43:8, it is Linseis Messgeraete GmbH hardware.

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