Who owns MAC prefix D8D5B9?

D8D5B9 is registered to Rainforest Automation, Inc. in the IEEE MA-L registry.

What devices use D8D5B9?

Any network device with a MAC address starting D8:D5:B9 was manufactured by or for Rainforest Automation, Inc..

MA-L · OUI prefix

Rainforest Automation, Inc.

Any MAC address starting D8:D5:B9 is registered to Rainforest Automation, Inc..

OUI prefix	D8D5B9
Vendor	Rainforest Automation, Inc.
Registry	MA-L (24-bit, large block)
Example MAC	D8:D5:B9:00:00:00

What this means

The IEEE assigned the MA-L block D8D5B9 to Rainforest Automation, 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 D8:D5:B9, it is Rainforest Automation, Inc. hardware.

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