In message ,
" writes
They simply require the ISP to provide them with the subscribers
details. All ISP's keep a log of IP addresses assigned when they are
assigned.

Wikipedia says

"United Kingdom

Like the rest of the EU the UK is subject to the European Union's Data
Retention Directive. All telecommunications data in the UK is kept for a
minimum of one year and a maximum of two years."

And the supposed making available of the film was well over 2 years ago.

Elsewhere, it seems that the European Court of Human Rights has declared
this illegal.

The film is available on YouTube. The person involved has daughters, and
doesn't necessarily accuse the students nearby of anything. I think the
point is that no-one knows. It doesn't seem to have been a very
memorable film.



--
Bill