What this means
The IEEE assigned the MA-L block 74205F to Shenzhen Zhongruixin 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 74:20:5F, it is Shenzhen Zhongruixin Intelligent Technology Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 74205F?
74205F is registered to Shenzhen Zhongruixin Intelligent Technology 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. Shenzhen Zhongruixin Intelligent Technology Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 74205F?
Any network device with a MAC address starting 74:20:5F was manufactured by or for Shenzhen Zhongruixin Intelligent Technology Co., Ltd..