What this means
The IEEE assigned the MA-L block BCFF21 to Smart Code(shenzhen)Technology Co.,Ltd. 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:FF:21, it is Smart Code(shenzhen)Technology Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix BCFF21?
BCFF21 is registered to Smart Code(shenzhen)Technology Co.,Ltd 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. Smart Code(shenzhen)Technology Co.,Ltd's block covers 16,777,216 addresses.
What devices use BCFF21?
Any network device with a MAC address starting BC:FF:21 was manufactured by or for Smart Code(shenzhen)Technology Co.,Ltd.