To cite package ‘IP’ in publications use:

  Soubiran T (2025). _IP: Classes and Methods for 'IP' Addresses_. R
  package version 0.1.6, <https://github.com/rucknium/ip>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {IP: Classes and Methods for 'IP' Addresses},
    author = {Thomas Soubiran},
    year = {2025},
    note = {R package version 0.1.6},
    url = {https://github.com/rucknium/ip},
  }