FiberPass Telefonica FTTH network uses full-fibre technology (fiber-to-the-home, co-owned JV with Telefónica, AXA IM Alts, and Vodafone Spain). (Source), (Source)
Telefonica España co-owns FiberPass Telefonica FTTH network infrastructure (55% controlling stake in JV with AXA IM Alts 40% and Vodafone Spain 5%) (Source), (Source).