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tommythejoat · #93 11-17-2009, 10:23 PM

My board has a very long list of banned ip's and we are interested in banning ranges of ip's.

I don't understand how CIDR improves upon just using the * wild card in a banned ip. e.g. 221.222.* or 221.222.0.0/16 look the same to me. Am I missing something?

We would like to be able to ban something like 221.222.131-255.* or even 221.222.131-155.*. I don't see any notation that supports this.

Currently I keep the bans in a spreadsheet so I can sort and annotate them. I then just copy the ip column into the ban list in AdminCp.

Maybe if I get used to the notation, I can figure out how to take out a large range and add back in the pieces that are OK to get to the examples above.

I wonder if there is a calculator somewhere that converts the kind of range I listed above to a set of CIDR's.

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