What this means
The IEEE assigned the MA-L block 2072A9 to Beijing 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 20:72:A9, it is Beijing Xiaomi Electronics Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 2072A9?
2072A9 is registered to Beijing 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. Beijing Xiaomi Electronics Co.,Ltd's block covers 16,777,216 addresses.
What devices use 2072A9?
Any network device with a MAC address starting 20:72:A9 was manufactured by or for Beijing Xiaomi Electronics Co.,Ltd.