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Can anyone think of a reason why this sort of traffic should be routed at all? Does anyone actually drop hosts on to addresses ending in x.x.x.0?

Yer, some dial providers that I've seen do it to make use of these addresses, as x.x.x.0/32 is a perfectly valid host address.

Interestingly we used to use /22s on our dial boxes and as a result of users with .0 or .255 addresses finding access problems to some areas of the Internet we stopped assigning them. Its curious just how many systems on the Internet are misconfigured or run software created by folks without proper understanding of the network protocols (M$). I wonder to what extent this poor engineering is detrimental to the ever changing Internet and if we'll hit a point where theres so many workarounds it becomes unmanageable.. (hmm, we might be pretty close from some of the things I've seen ;) </rant></troll> <meta content="dont bother replying, its too much like hard work">