What devices use 8C9109?

Any network device with a MAC address starting 8C:91:09 was manufactured by or for Toyoshima Electric Technoeogy(Suzhou) Co.,Ltd..

MA-L · OUI prefix

Toyoshima Electric Technoeogy(Suzhou) Co.,Ltd.

Q: Who owns MAC prefix 8C9109?

8C9109 is registered to Toyoshima Electric Technoeogy(Suzhou) Co.,Ltd. in the IEEE MA-L registry.

Any MAC address starting 8C:91:09 is registered to Toyoshima Electric Technoeogy(Suzhou) Co.,Ltd. in CN.

OUI prefix	8C9109
Vendor	Toyoshima Electric Technoeogy(Suzhou) Co.,Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	8C:91:09:00:00:00

What this means

The IEEE assigned the MA-L block 8C9109 to Toyoshima Electric Technoeogy(Suzhou) 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 8C:91:09, it is Toyoshima Electric Technoeogy(Suzhou) Co.,Ltd. hardware.

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