B4:E9:A3 port industrial automation GmbH
Every MAC address from B4:E9:A3:00:00:00 to B4:E9:A3:FF:FF:FF belongs to a block the IEEE assigned to port industrial automation GmbH. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B4:E9:A3 belongs to
Written B4:E9:A3, B4-E9-A3 or B4E9A3, depending on the system. Look up a full address.
Prefix
B4:E9:A3
Organization
port industrial automation GmbH
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
B4:E9:A3:00:00:00
Last address
B4:E9:A3:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Regensburger Str. 7b Halle (S.) DE 06132