What this means
The IEEE assigned the MA-L block FC478D to SHENZHEN TOPWELL 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 FC:47:8D, it is SHENZHEN TOPWELL TECHNOLOGY CO., LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix FC478D?
FC478D is registered to SHENZHEN TOPWELL 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 TOPWELL TECHNOLOGY CO., LTD.'s block covers 16,777,216 addresses.
What devices use FC478D?
Any network device with a MAC address starting FC:47:8D was manufactured by or for SHENZHEN TOPWELL TECHNOLOGY CO., LTD..