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.
Frequently Asked Questions
Who owns MAC prefix 800A802?
800A802 is registered to Sumitomo Wiring Systems, Ltd. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Sumitomo Wiring Systems, Ltd.'s block covers 1,048,576 addresses.
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..