What this means
The IEEE assigned the MA-L block 5058B0 to Hunan Greatwall Computer System 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 50:58:B0, it is Hunan Greatwall Computer System Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 5058B0?
5058B0 is registered to Hunan Greatwall Computer System 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. Hunan Greatwall Computer System Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 5058B0?
Any network device with a MAC address starting 50:58:B0 was manufactured by or for Hunan Greatwall Computer System Co., Ltd..