I really love the Blacklist to block certain IP adresses, ranges and even CIDR-Blocks.
My list grows weekly by blocking whole datacenters from eastern europe. It looks like, that theses datacenters are directly involved in, let's say, certain activities.
It would be great, that an entry could be more flexible as comma delimited list by having a mix of addresses, ranges and CIDR-Blocks.
126.96.36.199/24, 188.8.131.52/24, 112,112,112.0/24
Yes, your guy who is in charge to program a parser, will have some work :-) But it will be more than worthy.