Who owns MAC prefix 0009AA?

0009AA is registered to Data Comm for Business, Inc. in the IEEE MA-L registry.

What devices use 0009AA?

Any network device with a MAC address starting 00:09:AA was manufactured by or for Data Comm for Business, Inc..

MA-L · OUI prefix

Data Comm for Business, Inc.

Any MAC address starting 00:09:AA is registered to Data Comm for Business, Inc. in US.

OUI prefix	0009AA
Vendor	Data Comm for Business, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:09:AA:00:00:00

What this means

The IEEE assigned the MA-L block 0009AA to Data Comm for Business, 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 00:09:AA, it is Data Comm for Business, Inc. hardware.

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