There is a problem currently in Italy accessing the BBC websites if you are using Tiscali as your ISP. It may also involve other ISPs here. Whilst hard facts are not being bandied about currently, the likely cause of the blocking of the BBC is the dispute regarding file sharing that the BBC is lust launching. Tiscali has not yet blocked the direct IP address 212.58.253.67 - although you will get the same block if you try to navigate any further. The issue has been discussed elsewhere, if you are interested...
TMF: BBC Website problem / Help with this Blasted Computer!