Well, yes......look at the post No.6 from LOTR,.....there is your ISP mentioned:
http://www.gnutellaforums.com/showth...threadid=33712

And here a nice description from another site:

"Canadian ISP blocking iTunes store/podcasts?
A reader writes, "A very short thread on Apple's website notes that Rogers/Shaw ISPs in Canada are blocking podcast downloads because of a policy against multiple downloads."

Over the past month Rogers (ISP) in Canada has put some software on their networks that prevents activity for BitTorrents, P2P, IRC, and also along with that is a rule that if you are trying to download a large media file from more then 1 server it will be dropped. When you download a Podcast from iTunes it downloads that file from multiple servers in the background (I confirmed this by watching my cable modem logs). As soon as it tries to use more than 2 different servers for the download, it just stops. That's the reason why Podcast downloads stop at random places - it's the point where a 2nd server is involved in the download. The same issue causes timeouts and cut-offs in the iTunes music store. "

So, you might want to try switching to a higher port (normally LW listens to port 6346), such as 64049, or 47058 go to LW's menu bar, Tools>Options>Advanced>Firewalls & change the Listening port to one between 49152 - 65535.

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