Who owns MAC prefix 00900A?

00900A is registered to PROTON ELECTRONIC INDUSTRIAL CO., LTD. in the IEEE MA-L registry.

What devices use 00900A?

Any network device with a MAC address starting 00:90:0A was manufactured by or for PROTON ELECTRONIC INDUSTRIAL CO., LTD..

MA-L · OUI prefix

PROTON ELECTRONIC INDUSTRIAL CO., LTD.

Any MAC address starting 00:90:0A is registered to PROTON ELECTRONIC INDUSTRIAL CO., LTD. in TW.

OUI prefix	00900A
Vendor	PROTON ELECTRONIC INDUSTRIAL CO., LTD.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:90:0A:00:00:00

What this means

The IEEE assigned the MA-L block 00900A to PROTON ELECTRONIC INDUSTRIAL CO., LTD.. 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 00:90:0A, it is PROTON ELECTRONIC INDUSTRIAL CO., LTD. hardware.

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