Who owns MAC prefix BC99BC?

BC99BC is registered to FonSee Technology Inc. in the IEEE MA-L registry.

What devices use BC99BC?

Any network device with a MAC address starting BC:99:BC was manufactured by or for FonSee Technology Inc..

MA-L · OUI prefix

FonSee Technology Inc.

Any MAC address starting BC:99:BC is registered to FonSee Technology Inc. in TW.

OUI prefix	BC99BC
Vendor	FonSee Technology Inc.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	BC:99:BC:00:00:00

What this means

The IEEE assigned the MA-L block BC99BC to FonSee Technology 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 BC:99:BC, it is FonSee Technology Inc. hardware.

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