What this means
The IEEE assigned the MA-L block 7071B3 to Brain Corporation. 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 70:71:B3, it is Brain Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 7071B3?
7071B3 is registered to Brain Corporation 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. Brain Corporation's block covers 16,777,216 addresses.
What devices use 7071B3?
Any network device with a MAC address starting 70:71:B3 was manufactured by or for Brain Corporation.