What this means
The IEEE assigned the MA-M block B84C87B to Beijing Yunji 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 B8:4C:87:B, it is Beijing Yunji Technology Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix B84C87B?
B84C87B is registered to Beijing Yunji 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 Yunji Technology Co., Ltd.'s block covers 1,048,576 addresses.
What devices use B84C87B?
Any network device with a MAC address starting B8:4C:87:B was manufactured by or for Beijing Yunji Technology Co., Ltd..