What this means
The IEEE assigned the MA-M block DC4427A to Shanghai Huahong Integrated Circuit 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 DC:44:27:A, it is Shanghai Huahong Integrated Circuit Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix DC4427A?
DC4427A is registered to Shanghai Huahong Integrated Circuit 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. Shanghai Huahong Integrated Circuit Co.,Ltd's block covers 1,048,576 addresses.
What devices use DC4427A?
Any network device with a MAC address starting DC:44:27:A was manufactured by or for Shanghai Huahong Integrated Circuit Co.,Ltd.