Who owns MAC prefix 90A9F7B?

90A9F7B is registered to Kranze Technology Solutions, Inc. in the IEEE MA-M registry.

What devices use 90A9F7B?

Any network device with a MAC address starting 90:A9:F7:B was manufactured by or for Kranze Technology Solutions, Inc..

MA-M · OUI prefix

Kranze Technology Solutions, Inc.

Any MAC address starting 90:A9:F7:B is registered to Kranze Technology Solutions, Inc. in US.

OUI prefix	90A9F7B
Vendor	Kranze Technology Solutions, Inc.
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	90:A9:F7:B:00:00:00

What this means

The IEEE assigned the MA-M block 90A9F7B to Kranze Technology 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 90:A9:F7:B, it is Kranze Technology Solutions, Inc. hardware.

Kranze Technology Solutions, Inc.

What this means

Other Kranze Technology Solutions, Inc. prefixes