28:77:B1 Tri plus grupa d.o.o.
Every MAC address from 28:77:B1:00:00:00 to 28:77:B1:FF:FF:FF belongs to a block the IEEE assigned to Tri plus grupa d.o.o.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 28:77:B1 belongs to
Written 28:77:B1, 28-77-B1 or 2877B1, depending on the system. Look up a full address.
Prefix
28:77:B1
Organization
Tri plus grupa d.o.o.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
28:77:B1:00:00:00
Last address
28:77:B1:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Banjavciceva 11 Zagreb Zagreb HR 10000