What this means
The IEEE assigned the MA-L block 40313C to XIAOMI 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 40:31:3C, it is XIAOMI Electronics,CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 40313C?
40313C is registered to XIAOMI Electronics,CO.,LTD in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. XIAOMI Electronics,CO.,LTD's block covers 16,777,216 addresses.
What devices use 40313C?
Any network device with a MAC address starting 40:31:3C was manufactured by or for XIAOMI Electronics,CO.,LTD.