Who owns MAC prefix 8C1F64AD3?

8C1F64AD3 is registered to Working Set Software Solutions in the IEEE MA-S registry.

What devices use 8C1F64AD3?

Any network device with a MAC address starting 8C:1F:64:AD:3 was manufactured by or for Working Set Software Solutions.

MA-S · OUI prefix

Working Set Software Solutions

Any MAC address starting 8C:1F:64:AD:3 is registered to Working Set Software Solutions in US.

OUI prefix	8C1F64AD3
Vendor	Working Set Software Solutions
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	8C:1F:64:AD:3:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F64AD3 to Working Set Software Solutions. 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:1F:64:AD:3, it is Working Set Software Solutions hardware.

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