Who owns MAC prefix 8C1F644F4?

8C1F644F4 is registered to Staco Energy Products in the IEEE MA-S registry.

What devices use 8C1F644F4?

Any network device with a MAC address starting 8C:1F:64:4F:4 was manufactured by or for Staco Energy Products.

MA-S · OUI prefix

Staco Energy Products

Any MAC address starting 8C:1F:64:4F:4 is registered to Staco Energy Products in US.

OUI prefix	8C1F644F4
Vendor	Staco Energy Products
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	8C:1F:64:4F:4:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F644F4 to Staco Energy Products. 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:64:4F:4, it is Staco Energy Products hardware.

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