Who owns MAC prefix 24EA40?

24EA40 is registered to Helmholz GmbH & Co. KG in the IEEE MA-L registry.

What devices use 24EA40?

Any network device with a MAC address starting 24:EA:40 was manufactured by or for Helmholz GmbH & Co. KG.

MA-L · OUI prefix

Helmholz GmbH & Co. KG

Any MAC address starting 24:EA:40 is registered to Helmholz GmbH & Co. KG in DE.

OUI prefix	24EA40
Vendor	Helmholz GmbH & Co. KG
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	24:EA:40:00:00:00

What this means

The IEEE assigned the MA-L block 24EA40 to Helmholz 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 24:EA:40, it is Helmholz GmbH & Co. KG hardware.

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