R2: vodafone (Spain) cannot load content

We have some clients from Spain (Vodafone.es). For example,
Clients cannot load R2 content by direct link.
Who have the same problem?
We cannot provide details because our clients are not technical users and cannot do mtr or traceroute…

Today we have reports from Guatemala (ISP claro.com.gt) as from Spain (Vodafone).
Example of customer’s IP :