Who owns MAC prefix 042605?

042605 is registered to Bosch Building Automation GmbH in the IEEE MA-L registry.

What devices use 042605?

Any network device with a MAC address starting 04:26:05 was manufactured by or for Bosch Building Automation GmbH.

MA-L · OUI prefix

Bosch Building Automation GmbH

Any MAC address starting 04:26:05 is registered to Bosch Building Automation GmbH in DE.

OUI prefix	042605
Vendor	Bosch Building Automation GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	04:26:05:00:00:00

What this means

The IEEE assigned the MA-L block 042605 to Bosch Building Automation 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 04:26:05, it is Bosch Building Automation GmbH hardware.

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