What this means
The IEEE assigned the MA-M block B8D8122 to IPM Sales and service 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:D8:12:2, it is IPM Sales and service Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix B8D8122?
B8D8122 is registered to IPM Sales and service 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. IPM Sales and service Co.,Ltd.'s block covers 1,048,576 addresses.
What devices use B8D8122?
Any network device with a MAC address starting B8:D8:12:2 was manufactured by or for IPM Sales and service Co.,Ltd..