20:B3:99 Enterasys
Every MAC address from 20:B3:99:00:00:00 to 20:B3:99:FF:FF:FF belongs to a block the IEEE assigned to Enterasys. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 20:B3:99 belongs to
Written 20:B3:99, 20-B3-99 or 20B399, depending on the system. Look up a full address.
Prefix
20:B3:99
Organization
Enterasys
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
20:B3:99:00:00:00
Last address
20:B3:99:FF:FF:FF
Address type
Globally unique, unicast
Registered address
50 Minuteman Rd Andover MA US 01810