What this means
The IEEE assigned the MA-L block C03FBB to Zhongshan Zhiniu Electronics 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 C0:3F:BB, it is Zhongshan Zhiniu Electronics Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix C03FBB?
C03FBB is registered to Zhongshan Zhiniu Electronics 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. Zhongshan Zhiniu Electronics Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use C03FBB?
Any network device with a MAC address starting C0:3F:BB was manufactured by or for Zhongshan Zhiniu Electronics Co.,Ltd..