Who owns MAC prefix 0040FA?

0040FA is registered to MICROBOARDS, INC. in the IEEE MA-L registry.

What devices use 0040FA?

Any network device with a MAC address starting 00:40:FA was manufactured by or for MICROBOARDS, INC..

MA-L · OUI prefix

MICROBOARDS, INC.

Any MAC address starting 00:40:FA is registered to MICROBOARDS, INC. in JP.

OUI prefix	0040FA
Vendor	MICROBOARDS, INC.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:40:FA:00:00:00

What this means

The IEEE assigned the MA-L block 0040FA to MICROBOARDS, INC.. 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 00:40:FA, it is MICROBOARDS, INC. hardware.

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