44:51:DB Raytheon BBN Technologies
Every MAC address from 44:51:DB:00:00:00 to 44:51:DB:FF:FF:FF belongs to a block the IEEE assigned to Raytheon BBN Technologies. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 44:51:DB belongs to
Written 44:51:DB, 44-51-DB or 4451DB, depending on the system. Look up a full address.
Prefix
44:51:DB
Organization
Raytheon BBN Technologies
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
44:51:DB:00:00:00
Last address
44:51:DB:FF:FF:FF
Address type
Globally unique, unicast
Registered address
10 Moulton Street Cambridge MA US 02138