What this means
The IEEE assigned the MA-M block 58AD082 to Beijing ShiYan 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 58:AD:08:2, it is Beijing ShiYan Technology Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 58AD082?
58AD082 is registered to Beijing ShiYan Technology Co., Ltd in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Beijing ShiYan Technology Co., Ltd's block covers 1,048,576 addresses.
What devices use 58AD082?
Any network device with a MAC address starting 58:AD:08:2 was manufactured by or for Beijing ShiYan Technology Co., Ltd.