What this means
The IEEE assigned the MA-L block 385AA8 to Beijing Zhongdun Security Technology Development Co.. 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 38:5A:A8, it is Beijing Zhongdun Security Technology Development Co. hardware.
Frequently Asked Questions
Who owns MAC prefix 385AA8?
385AA8 is registered to Beijing Zhongdun Security Technology Development Co. 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 Zhongdun Security Technology Development Co.'s block covers 16,777,216 addresses.
What devices use 385AA8?
Any network device with a MAC address starting 38:5A:A8 was manufactured by or for Beijing Zhongdun Security Technology Development Co..