What this means
The IEEE assigned the MA-L block 74518F to Jiangsu Hetai Intelligent Control 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 74:51:8F, it is Jiangsu Hetai Intelligent Control Technology Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 74518F?
74518F is registered to Jiangsu Hetai Intelligent Control 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. Jiangsu Hetai Intelligent Control Technology Co., Ltd's block covers 16,777,216 addresses.
What devices use 74518F?
Any network device with a MAC address starting 74:51:8F was manufactured by or for Jiangsu Hetai Intelligent Control Technology Co., Ltd.