Tiscali is known to shape bandwidth. There's some info here
http://www.gnutellaforums.com/showth...threadid=33712

If you do a search (top right) for Tiscali, you'll find that a lot of people are having the same problems

There's some info here about the hours that Tiscali apply shaping
http://www.gnutellaforums.com/download-upload-problems/56165-help-all-sudden-slow-download-speeds.html