Who owns MAC prefix 00A03B?

00A03B is registered to TOSHIN ELECTRIC CO., LTD. in the IEEE MA-L registry.

What devices use 00A03B?

Any network device with a MAC address starting 00:A0:3B was manufactured by or for TOSHIN ELECTRIC CO., LTD..

MA-L · OUI prefix

TOSHIN ELECTRIC CO., LTD.

Any MAC address starting 00:A0:3B is registered to TOSHIN ELECTRIC CO., LTD. in JP.

OUI prefix	00A03B
Vendor	TOSHIN ELECTRIC CO., LTD.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:A0:3B:00:00:00

What this means

The IEEE assigned the MA-L block 00A03B to TOSHIN ELECTRIC 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:A0:3B, it is TOSHIN ELECTRIC CO., LTD. hardware.

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