PI "SARNET" Banja Luka is a member of RIPE NCC and has the status of the Local Internet Registry (LIR). RIPE NCC (Réseaux IP Européens Network Coordination Centre) is the Regional Internet Registry for Europe, the Middle East and parts of Central Asia.

In regards to the internet resources, for the Academic and Research Network of the Republic of Srpska IPv4 addresses are particularly significant, because they represent a limited resource that has already been used to a large extent.

In order to secure this resource for the scientific research community and educational institutions of the Republic of Srpska PI "SARNET" Banja Luka registered block of addresses that are split up to a smaller blocks and assigned to users for further use.