aggregate-prefixes
Fast IPv4 and IPv6 prefix aggregator written in Python.
Gets a list of unsorted IPv4 or IPv6 prefixes from argument or SDTIN and returns a sorted list of aggregates to STDOUT Errors go to STDERR.
Install
git clone https://github.com/lamehost/aggregate-prefixes.git
cd aggregate_prefixes
poetry build
pip install dist/aggregate_prefixes-0.7.0-py3-none-any.whl
CLI Syntax for executable
usage: aggregate-prefixes [-h] [--max-length LENGTH] [--strip-host-mask] [--truncate MASK] [--verbose] [--version] [prefixes]
Aggregates IPv4 or IPv6 prefixes from file or STDIN
positional arguments:
prefixes Text file of unsorted list of IPv4 or IPv6 prefixes. Use '-' for STDIN.
options:
-h, --help show this help message and exit
--max-length LENGTH, -m LENGTH
Discard longer prefixes prior to processing
--strip-host-mask, -s
Do not print netmask if prefix is a host route (/32 IPv4, /128 IPv6)
--truncate MASK, -t MASK
Truncate IP/mask to network/mask
--verbose, -v Display verbose information about the optimisations
--version, -V show program's version number and exit
Usage as module
$ python
Python 3.9.1+ (default, Feb 5 2021, 13:46:56)
[GCC 10.2.1 20210110] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
>>> from aggregate_prefixes import aggregate_prefixes
>>> list(aggregate_prefixes(['192.0.2.0/32', '192.0.2.1/32', '192.0.2.2/32']))
['192.0.2.0/31', '192.0.2.2/32']
>>>
Python version compatibility
Tested with:
- Python 3.9
- Python 3.10
- Python 3.11
