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Python library for anonymizing IP addresses

Project description


This is a simple Python library for anonymizing IP addresses. Both IPv4 and IPv6 addresses are supported.


  • IPv4:
  • IPv6: 5219:3a94:fdc5:19e1:70a3:b2c4:40ef:ae035219:3a94:fdc5:19e1::


pip install anonymizeip
from anonymizeip import anonymize_ip

address = "fe80::0202:b3ff:fe1e:8329"
anonymized = anonymize_ip(address)

# Prints "fe80::"


The number of address blocks that are set to 0 can be customized.

Besides the IP address, the function anonymize_ip takes two optional parameters:

  • ipv4_mask: Defaults to, i.e. the last octet will be anonymized (set to 0)
  • ipv6_mask: Defaults to ffff:ffff:ffff:ffff:: (same as ffff:ffff:ffff:ffff:0:0:0:0), i.e. the last four blocks will be anonymized (set to 0)


  1. git clone
  2. pipenv install --dev
  3. Make your code modifications
  4. pipenv run test
  5. pipenv run lint

Contributions are always welcome. Please first discuss changes via issue before submitting a pull request.


The implementation of this library was strongly inspired by php-ip-anonymizer by Geert Wirken.

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