Who owns MAC prefix 04FA3F?

04FA3F is registered to OptiCore Inc. in the IEEE MA-L registry.

What devices use 04FA3F?

Any network device with a MAC address starting 04:FA:3F was manufactured by or for OptiCore Inc..

MA-L · OUI prefix

OptiCore Inc.

Any MAC address starting 04:FA:3F is registered to OptiCore Inc. in KR.

OUI prefix	04FA3F
Vendor	OptiCore Inc.
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	04:FA:3F:00:00:00

What this means

The IEEE assigned the MA-L block 04FA3F to OptiCore Inc.. 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 04:FA:3F, it is OptiCore Inc. hardware.

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