What this means
The IEEE assigned the MA-L block A8C222 to TM-Research 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 A8:C2:22, it is TM-Research Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix A8C222?
A8C222 is registered to TM-Research Inc. 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. TM-Research Inc.'s block covers 16,777,216 addresses.
What devices use A8C222?
Any network device with a MAC address starting A8:C2:22 was manufactured by or for TM-Research Inc..