28:B9:D9 Radisys Corporation
Every MAC address from 28:B9:D9:00:00:00 to 28:B9:D9:FF:FF:FF belongs to a block the IEEE assigned to Radisys Corporation. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 28:B9:D9 belongs to
Written 28:B9:D9, 28-B9-D9 or 28B9D9, depending on the system. Look up a full address.
Prefix
28:B9:D9
Organization
Radisys Corporation
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
28:B9:D9:00:00:00
Last address
28:B9:D9:FF:FF:FF
Address type
Globally unique, unicast
Registered address
5435 NE Dawson Creek Drive Hillsboro OR US 97124