90:A9:F7:B Kranze Technology Solutions, Inc.
Every MAC address from 90:A9:F7:B0:00:00 to 90:A9:F7:BF:FF:FF belongs to a block the IEEE assigned to Kranze Technology Solutions, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 90:A9:F7:B belongs to
Written 90:A9:F7:B, 90-A9-F7-B or 90A9F7B, depending on the system. Look up a full address.
Prefix
90:A9:F7:B/28
Organization
Kranze Technology Solutions, Inc.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
90:A9:F7:B0:00:00
Last address
90:A9:F7:BF:FF:FF
Address type
Globally unique, unicast
Registered address
1794 Winthrop Dr. Des Plaines IL US 60018
Parent block
Inside 90:A9:F7
This MA-M block is carved from the 24-bit block 90:A9:F7, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.
Same organization
Other blocks assigned to Kranze Technology Solutions, Inc.
1 more block registered under the same name.