Who owns MAC prefix 800A802?

800A802 is registered to Sumitomo Wiring Systems, Ltd. in the IEEE MA-M registry.

What devices use 800A802?

Any network device with a MAC address starting 80:0A:80:2 was manufactured by or for Sumitomo Wiring Systems, Ltd..

MA-M · OUI prefix

Sumitomo Wiring Systems, Ltd.

Any MAC address starting 80:0A:80:2 is registered to Sumitomo Wiring Systems, Ltd. in JP.

OUI prefix	800A802
Vendor	Sumitomo Wiring Systems, Ltd.
Registry	MA-M (28-bit, medium block)
Country	JP
Example MAC	80:0A:80:2:00:00:00

What this means

The IEEE assigned the MA-M block 800A802 to Sumitomo Wiring Systems, 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 80:0A:80:2, it is Sumitomo Wiring Systems, Ltd. hardware.

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