What this means
The IEEE assigned the MA-L block 808B5C to Shenzhen Runhuicheng 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 80:8B:5C, it is Shenzhen Runhuicheng Technology Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 808B5C?
808B5C is registered to Shenzhen Runhuicheng 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 Runhuicheng Technology Co., Ltd's block covers 16,777,216 addresses.
What devices use 808B5C?
Any network device with a MAC address starting 80:8B:5C was manufactured by or for Shenzhen Runhuicheng Technology Co., Ltd.