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.
Frequently Asked Questions
Who owns MAC prefix BC99BC?
BC99BC is registered to FonSee Technology Inc. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. FonSee Technology Inc.'s block covers 16,777,216 addresses.
What devices use BC99BC?
Any network device with a MAC address starting BC:99:BC was manufactured by or for FonSee Technology Inc..