What this means
The IEEE assigned the MA-L block 000AA9 to Brooks Automation GmbH. 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 00:0A:A9, it is Brooks Automation GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 000AA9?
000AA9 is registered to Brooks Automation GmbH 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. Brooks Automation GmbH's block covers 16,777,216 addresses.
What devices use 000AA9?
Any network device with a MAC address starting 00:0A:A9 was manufactured by or for Brooks Automation GmbH.