What this means
The IEEE assigned the MA-M block 5847CAC to SMS ELECTRIC CO., LTD ZHENGZHOU. 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 58:47:CA:C, it is SMS ELECTRIC CO., LTD ZHENGZHOU hardware.
Frequently Asked Questions
Who owns MAC prefix 5847CAC?
5847CAC is registered to SMS ELECTRIC CO., LTD ZHENGZHOU 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. SMS ELECTRIC CO., LTD ZHENGZHOU's block covers 1,048,576 addresses.
What devices use 5847CAC?
Any network device with a MAC address starting 58:47:CA:C was manufactured by or for SMS ELECTRIC CO., LTD ZHENGZHOU.