Who owns MAC prefix C03580?

C03580 is registered to A&R TECH in the IEEE MA-L registry.

What devices use C03580?

Any network device with a MAC address starting C0:35:80 was manufactured by or for A&R TECH.

MA-L · OUI prefix

A&R TECH

Any MAC address starting C0:35:80 is registered to A&R TECH in AT.

OUI prefix	C03580
Vendor	A&R TECH
Registry	MA-L (24-bit, large block)
Country	AT
Example MAC	C0:35:80:00:00:00

What this means

The IEEE assigned the MA-L block C03580 to A&R TECH. 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 C0:35:80, it is A&R TECH hardware.

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