Who owns MAC prefix 0020A0?

0020A0 is registered to OA LABORATORY CO., LTD. in the IEEE MA-L registry.

What devices use 0020A0?

Any network device with a MAC address starting 00:20:A0 was manufactured by or for OA LABORATORY CO., LTD..

MA-L · OUI prefix

OA LABORATORY CO., LTD.

Any MAC address starting 00:20:A0 is registered to OA LABORATORY CO., LTD. in JP.

OUI prefix	0020A0
Vendor	OA LABORATORY CO., LTD.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:20:A0:00:00:00

What this means

The IEEE assigned the MA-L block 0020A0 to OA LABORATORY 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 00:20:A0, it is OA LABORATORY CO., LTD. hardware.

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