What this means
The IEEE assigned the MA-L block A09A5A to Time Domain. 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 A0:9A:5A, it is Time Domain hardware.
Frequently Asked Questions
Who owns MAC prefix A09A5A?
A09A5A is registered to Time Domain 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. Time Domain's block covers 16,777,216 addresses.
What devices use A09A5A?
Any network device with a MAC address starting A0:9A:5A was manufactured by or for Time Domain.