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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.

Project details


Release history Release notifications

This version
History Node

1.0.0

Supported by

Elastic Elastic Search Pingdom Pingdom Monitoring Google Google BigQuery Sentry Sentry Error logging CloudAMQP CloudAMQP RabbitMQ AWS AWS Cloud computing Fastly Fastly CDN DigiCert DigiCert EV certificate StatusPage StatusPage Status page