A4:91:B1 Vantiva Technologies Belgium
Every MAC address from A4:91:B1:00:00:00 to A4:91:B1:FF:FF:FF belongs to a block the IEEE assigned to Vantiva Technologies Belgium. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who A4:91:B1 belongs to
Written A4:91:B1, A4-91-B1 or A491B1, depending on the system. Look up a full address.
Prefix
A4:91:B1
Organization
Vantiva Technologies Belgium
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
A4:91:B1:00:00:00
Last address
A4:91:B1:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Prins Boudewijnlaan 47 Edegem - Belgium BE B-2650