What this means
The IEEE assigned the MA-M block F4A4543 to Chongqing Hengxun Liansheng Industrial 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 F4:A4:54:3, it is Chongqing Hengxun Liansheng Industrial Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix F4A4543?
F4A4543 is registered to Chongqing Hengxun Liansheng Industrial 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. Chongqing Hengxun Liansheng Industrial Co.,Ltd's block covers 1,048,576 addresses.
What devices use F4A4543?
Any network device with a MAC address starting F4:A4:54:3 was manufactured by or for Chongqing Hengxun Liansheng Industrial Co.,Ltd.