Who owns MAC prefix 8C1F6441B?

8C1F6441B is registered to ENERGY POWER PRODUCTS LIMITED in the IEEE MA-S registry.

What devices use 8C1F6441B?

Any network device with a MAC address starting 8C:1F:64:41:B was manufactured by or for ENERGY POWER PRODUCTS LIMITED.

MA-S · OUI prefix

ENERGY POWER PRODUCTS LIMITED

Any MAC address starting 8C:1F:64:41:B is registered to ENERGY POWER PRODUCTS LIMITED in HK.

OUI prefix	8C1F6441B
Vendor	ENERGY POWER PRODUCTS LIMITED
Registry	MA-S (36-bit, small block)
Country	HK
Example MAC	8C:1F:64:41:B:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F6441B to ENERGY POWER PRODUCTS LIMITED. 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:64:41:B, it is ENERGY POWER PRODUCTS LIMITED hardware.

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