What this means
The IEEE assigned the MA-L block 9C5711 to Feitian Xunda(Beijing) Aeronautical Information 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 9C:57:11, it is Feitian Xunda(Beijing) Aeronautical Information Technology Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 9C5711?
9C5711 is registered to Feitian Xunda(Beijing) Aeronautical Information 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. Feitian Xunda(Beijing) Aeronautical Information Technology Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 9C5711?
Any network device with a MAC address starting 9C:57:11 was manufactured by or for Feitian Xunda(Beijing) Aeronautical Information Technology Co., Ltd..