Telxius is the global telecommunications infrastructure company of the Telefónica Group. It manages a 65,000 km international network of high capacity fiber optic submarine cables, including 31,000 km built by Telxius, and a Tier-1 IP network. The Telxius-owned network includes, among others, the SAM-1 submarine cable system as well as PCCS and Unisur. It also includes the new MAREA cable which links the US and Europe, and BRUSA, a new 11,000 km cable connecting Brazil, Puerto Rico and the US. Telxius also provides a range of cable services (IP, Capacity and Colocation) and has an extensive telecommunication tower catalogue.