Who owns MAC prefix 905C34?

905C34 is registered to Sirius Electronic Systems Srl in the IEEE MA-L registry.

What devices use 905C34?

Any network device with a MAC address starting 90:5C:34 was manufactured by or for Sirius Electronic Systems Srl.

MA-L · OUI prefix

Sirius Electronic Systems Srl

Any MAC address starting 90:5C:34 is registered to Sirius Electronic Systems Srl in IT.

OUI prefix	905C34
Vendor	Sirius Electronic Systems Srl
Registry	MA-L (24-bit, large block)
Country	IT
Example MAC	90:5C:34:00:00:00

What this means

The IEEE assigned the MA-L block 905C34 to Sirius Electronic Systems Srl. 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 90:5C:34, it is Sirius Electronic Systems Srl hardware.

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