Hi Sillicur
NNTP and other P2P type activities are managed on our uncapped shaped products and available bandwidth for these services is contended with other P2P users.
This means that speeds can fluctuate from time to time and while we always strive to give as much bandwidth as possible to these services we make no guarantees about how well they will perform.
This has been discussed extensively on these forums and my recommendation to all P2P users is to consider the overall amount of bandwidth you have used for the month, rather than speed watch on a daily basis.
If you require the immediacy of line speed transfers for your P2P needs then I would urge you to consider moving to an unshaped product.
Please also try and download the following bandwidth monitor to get a more accurate reflection of your network.
http://www.softperfect.com/products/networx/
Kind regards, MWEB Guy