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IPv4 and IPv6 address summarization tool

Project Description

IPv4 and IPv6 address summarization tool

Summarize a range of IP Addresses, e.g. 192.168.1.0 to 192.168.1.50, to a group of networks. e.g. 192.168.1.0/27, 192.168.1.32/28, 192.168.1.48/31, 192.168.1.50.

Requirements

The IPy module is require for this to function. It can be obtained from http://pypi.python.org/pypi/IPy.

Functions

summarize(first, last)

Summarize a network range given a first and last IP addresses.

>>> summarize('192.168.1.0', '192.168.1.50')
['192.168.1.0/27', '192.168.1.32/28', '192.168.1.48/31', '192.168.1.50']
>>> summarize('192.168.0.1', '192.168.2.255')
['192.168.0.1', '192.168.0.2/31', '192.168.0.4/30', '192.168.0.8/29',
'192.168.0.16/28', '192.168.0.32/27', '192.168.0.64/26', '192.168.0.128/25',
'192.168.1.0/24', '192.168.2.0/24']
>>> summarize('192.168.0.1', '192.168.2.254')
['192.168.0.1', '192.168.0.2/31', '192.168.0.4/30', '192.168.0.8/29',
'192.168.0.16/28', '192.168.0.32/27', '192.168.0.64/26', '192.168.0.128/25',
'192.168.1.0/24', '192.168.2.0/25', '192.168.2.128/26', '192.168.2.192/27',
'192.168.2.224/28', '192.168.2.240/29', '192.168.2.248/30',
'192.168.2.252/31', '192.168.2.254']
>>> summarize('192.168.0.0', '192.168.5.253')
['192.168.0.0/22', '192.168.4.0/24', '192.168.5.0/25', '192.168.5.128/26',
'192.168.5.192/27', '192.168.5.224/28', '192.168.5.240/29',
'192.168.5.248/30', '192.168.5.252/31']
>>> summarize('192.168.0.0', '192.168.255.254')
['192.168.0.0/17', '192.168.128.0/18', '192.168.192.0/19',
'192.168.224.0/20', '192.168.240.0/21', '192.168.248.0/22',
'192.168.252.0/23', '192.168.254.0/24', '192.168.255.0/25',
'192.168.255.128/26', '192.168.255.192/27', '192.168.255.224/28',
'192.168.255.240/29', '192.168.255.248/30', '192.168.255.252/31',
'192.168.255.254']
>>> summarize('::', '1::fffe')
['::/16', '1::/113', '1::8000/114', '1::c000/115', '1::e000/116',
'1::f000/117', '1::f800/118', '1::fc00/119', '1::fe00/120', '1::ff00/121',
'1::ff80/122', '1::ffc0/123', '1::ffe0/124', '1::fff0/125', '1::fff8/126',
'1::fffc/127', '1::fffe']

Worst case:

>>> summarize('0.0.0.0', '255.255.255.254')
['0.0.0.0/1', '128.0.0.0/2', '192.0.0.0/3', '224.0.0.0/4', '240.0.0.0/5',
'248.0.0.0/6', '252.0.0.0/7', '254.0.0.0/8', '255.0.0.0/9',
'255.128.0.0/10', '255.192.0.0/11', '255.224.0.0/12', '255.240.0.0/13',
'255.248.0.0/14', '255.252.0.0/15', '255.254.0.0/16', '255.255.0.0/17',
'255.255.128.0/18', '255.255.192.0/19', '255.255.224.0/20',
'255.255.240.0/21', '255.255.248.0/22', '255.255.252.0/23',
'255.255.254.0/24', '255.255.255.0/25', '255.255.255.128/26',
'255.255.255.192/27', '255.255.255.224/28', '255.255.255.240/29',
'255.255.255.248/30', '255.255.255.252/31', '255.255.255.254']

What’s new

Version 1.0.0:

  • First public release.
Release History

Release History

This version
History Node

1.0.0

Supported By

WebFaction WebFaction Technical Writing Elastic Elastic Search Pingdom Pingdom Monitoring Dyn Dyn DNS Sentry Sentry Error Logging CloudAMQP CloudAMQP RabbitMQ Heroku Heroku PaaS Kabu Creative Kabu Creative UX & Design Fastly Fastly CDN DigiCert DigiCert EV Certificate Rackspace Rackspace Cloud Servers DreamHost DreamHost Log Hosting