Who owns MAC prefix 40AC8D?

40AC8D is registered to Data Management, Inc. in the IEEE MA-L registry.

What devices use 40AC8D?

Any network device with a MAC address starting 40:AC:8D was manufactured by or for Data Management, Inc..

MA-L · OUI prefix

Data Management, Inc.

Any MAC address starting 40:AC:8D is registered to Data Management, Inc. in US.

OUI prefix	40AC8D
Vendor	Data Management, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	40:AC:8D:00:00:00

What this means

The IEEE assigned the MA-L block 40AC8D to Data Management, 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 40:AC:8D, it is Data Management, Inc. hardware.

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