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Wolfgang Zenker
That's an interesting analysis. I would also like to see that kind of analysis for the addresses handed out by the RIRs under their "final /8" policies; for RIPE especially with a comparison between members that just got their final /22 and those members that opened additional LIRs to get more addresses. A totally non-scientific look at my own blacklists shows a high number of networks in 185/8, but this might be due to those networks being smaller than average.