What this means
The IEEE assigned the MA-M block 6431390 to SHENZHEN EMEET INTELLIGENT TECHNOLOGY 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 64:31:39:0, it is SHENZHEN EMEET INTELLIGENT TECHNOLOGY CO., LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 6431390?
6431390 is registered to SHENZHEN EMEET INTELLIGENT TECHNOLOGY 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 EMEET INTELLIGENT TECHNOLOGY CO., LTD.'s block covers 1,048,576 addresses.
What devices use 6431390?
Any network device with a MAC address starting 64:31:39:0 was manufactured by or for SHENZHEN EMEET INTELLIGENT TECHNOLOGY CO., LTD..