What this means
The IEEE assigned the MA-M block A411638 to Dspread Technology (Beijing) Inc.. 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 A4:11:63:8, it is Dspread Technology (Beijing) Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix A411638?
A411638 is registered to Dspread Technology (Beijing) Inc. 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. Dspread Technology (Beijing) Inc.'s block covers 1,048,576 addresses.
What devices use A411638?
Any network device with a MAC address starting A4:11:63:8 was manufactured by or for Dspread Technology (Beijing) Inc..