Who owns MAC prefix 001240?

001240 is registered to AMOI ELECTRONICS CO.,LTD in the IEEE MA-L registry.

What devices use 001240?

Any network device with a MAC address starting 00:12:40 was manufactured by or for AMOI ELECTRONICS CO.,LTD.

MA-L · OUI prefix

AMOI ELECTRONICS CO.,LTD

Any MAC address starting 00:12:40 is registered to AMOI ELECTRONICS CO.,LTD in CN.

OUI prefix	001240
Vendor	AMOI ELECTRONICS CO.,LTD
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	00:12:40:00:00:00

What this means

The IEEE assigned the MA-L block 001240 to AMOI ELECTRONICS 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 00:12:40, it is AMOI ELECTRONICS CO.,LTD hardware.

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