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So, in my role as head Puppeteer I don't get to write much Perl like I used to and sure enough I have a need to. I am writing a script that will download from Stop Forum Spam a huge list of toxic CIDR addresses and using that list go generate a Puppet class to put rules into IPTables to drop connections from those CIDR ranges. I wrote something like this back around 2005 and I remember using a CPAN module that would take a huge list like that, sort the CIDR blocks and merge CIDR blocks as made sense. Worked great. Lasted a long time and as far as I know my client is still using that script. Problem is as I get older I now realize that memory is the second thing you lose (I forgot what the first was) and I can't remember which CPAN moudle I used to do that. I searched CPAN and I can't find it. Anyone out there know which module it is? Peter L. Berghold -- Unix Professional Peter -at- Berghold -dot- Net; Blog: http://blog.berghold.net Warning: No political correctness allowed. In reply to Seeking CPAN module I used once to merge CIDR blocks by blue_cowdawg
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