For a single range, the above solution is the minimal one even if you allow arbitrary masks (though I haven't rigorously proved that -- just supporting your suspicion). If you allow multiple ranges, then the problem gets much harder and it becomes possible for arbitrary masks to provide smaller solutions.

        - tye (but my friends call me "Tye")

In reply to (tye)Re: converting complex netrange to cidr notation by tye
in thread converting complex netrange to cidr notation by dino

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