Go to main content

aggregate-cidr-addresses

Take a list of CIDR address blocks and combine them, for example, 192.168.0.0/24 and 192.168.0.1/24 gives 192.168.0.0/23. I usually run "list-iana-reserved-ranges | aggregate-cidr-addresses" to get a list of blocks to not report with firewall log processing.

http://zwitterion.org/software/aggregate-cidr-addresses/ was last updated on 2008-07-11