Projects / aggregate


aggregate takes a list of prefixes in conventional format on stdin, and performs two optimisations to reduce the length of the prefix list. It removes any supplied prefixes which are supurfluous because they are already included in another supplied prefix (e.g., would be removed if was also supplied), and identifies adjacent prefixes that can be combined under a single, shorter-length prefix (e.g., and can be combined into the single prefix

Operating Systems

Recent releases

  •  22 Jul 2002 20:27

    No changes have been submitted for this release.

    •  02 Nov 2001 21:53

      Release Notes: Optional prefix truncation (previously prefixes with non-zero host bits were dropped with a warning), and a quiet flag to suppress warning messages.

      •  02 Nov 2001 03:10

        Release Notes: Changing parsing semantics on IPv4 addresses to bring them in line with reality.

        •  17 May 2001 14:09

          Release Notes: The aggregate-ios script is now written in Perl, since the availability of particular awk features can't be guaranteed across platforms. The build process now uses autoconf. Minor tweaks were made to the default values of -m and -n to make more sense in a general application.

          •  16 Feb 2001 17:47

            No changes have been submitted for this release.


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