It seems like more and more ISPs are doing that: https://koreanrandom.com/forum/topic/85072-modxvm-problem-in...

They also mention Movistar, O2, and Vodafone. A systematic violation of the internet's integrity, carried out on the scale of an entire so-called "free" EU(!) country. It's a disaster.

It’s most, yes. Due to a court order. But Telefonica are the ones who owns the domestic broadcasting soccer rights this season and past.