RedIRIS is the national research and education network (NREN) for Spain.
It is part of Red.es, which also administers and oversees the .es national Top-level domain.
Most Spanish universities and research centers are interconnected through RedIRIS, currently totalling about 260 institutions.
As a national NREN, RedIRIS is connected to the high-speed European GÉANT backbone, similar to the US-based Abilene Network.
Other services provided by RedIRIS include a collection of FTP mirrors, customized software for affiliated institutions, interconnection with the Eduroam European wireless network, LISTSERV service, BlackList IP Service for relays, and an incident response team, IRIS-CERT.