What this means
The IEEE assigned the MA-L block F4472A to Nanjing Rousing Sci. and Tech. Industrial 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 F4:47:2A, it is Nanjing Rousing Sci. and Tech. Industrial Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix F4472A?
F4472A is registered to Nanjing Rousing Sci. and Tech. Industrial 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. Nanjing Rousing Sci. and Tech. Industrial Co., Ltd's block covers 16,777,216 addresses.
What devices use F4472A?
Any network device with a MAC address starting F4:47:2A was manufactured by or for Nanjing Rousing Sci. and Tech. Industrial Co., Ltd.