What this means
The IEEE assigned the MA-L block FC221C to Shenzhen Xunman 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:22:1C, it is Shenzhen Xunman Technology Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix FC221C?
FC221C is registered to Shenzhen Xunman 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 Xunman Technology Co., Ltd's block covers 16,777,216 addresses.
What devices use FC221C?
Any network device with a MAC address starting FC:22:1C was manufactured by or for Shenzhen Xunman Technology Co., Ltd.