Who owns MAC prefix B89919?

B89919 is registered to 7signal Solutions, Inc in the IEEE MA-L registry.

What devices use B89919?

Any network device with a MAC address starting B8:99:19 was manufactured by or for 7signal Solutions, Inc.

MA-L · OUI prefix

7signal Solutions, Inc

Any MAC address starting B8:99:19 is registered to 7signal Solutions, Inc in US.

OUI prefix	B89919
Vendor	7signal Solutions, Inc
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	B8:99:19:00:00:00

What this means

The IEEE assigned the MA-L block B89919 to 7signal Solutions, 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 B8:99:19, it is 7signal Solutions, Inc hardware.

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