What this means
The IEEE assigned the MA-L block A4BA70 to Beijing Xiaomi Mobile Software 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 A4:BA:70, it is Beijing Xiaomi Mobile Software Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix A4BA70?
A4BA70 is registered to Beijing Xiaomi Mobile Software 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 Mobile Software Co., Ltd's block covers 16,777,216 addresses.
What devices use A4BA70?
Any network device with a MAC address starting A4:BA:70 was manufactured by or for Beijing Xiaomi Mobile Software Co., Ltd.