Who owns MAC prefix 54E4A9?

54E4A9 is registered to BHR Tech GmbH in the IEEE MA-L registry.

What devices use 54E4A9?

Any network device with a MAC address starting 54:E4:A9 was manufactured by or for BHR Tech GmbH.

MA-L · OUI prefix

BHR Tech GmbH

Any MAC address starting 54:E4:A9 is registered to BHR Tech GmbH in AT.

OUI prefix	54E4A9
Vendor	BHR Tech GmbH
Registry	MA-L (24-bit, large block)
Country	AT
Example MAC	54:E4:A9:00:00:00

What this means

The IEEE assigned the MA-L block 54E4A9 to BHR Tech 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 54:E4:A9, it is BHR Tech GmbH hardware.

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