What this means
The IEEE assigned the MA-M block C022F17 to Shenzhen Chengfenghao 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 C0:22:F1:7, it is Shenzhen Chengfenghao Electronics Co.;LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix C022F17?
C022F17 is registered to Shenzhen Chengfenghao Electronics Co.;LTD. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Shenzhen Chengfenghao Electronics Co.;LTD.'s block covers 1,048,576 addresses.
What devices use C022F17?
Any network device with a MAC address starting C0:22:F1:7 was manufactured by or for Shenzhen Chengfenghao Electronics Co.;LTD..