BREN
BREN is both the name of the Bulgarian National research and education network as well as the name of the Association that plans, deploys and maintains it.
BREN provides high-speed network that interconnects Bulgarian universities and other research and educational institutions in Bulgaria.
BREN network is connected to the pan-European research and education network GEANT via 1Gbit link.
BREN participates in international projects like, GEANT2, GEANT3
and is a member of TERENA,