To cite package ‘ip2location’ in publications use:

Ooi K (2026). ip2location: Lookup for IP Address Information. R package version 8.1.4, https://github.com/ip2location/ip2location-r.

Corresponding BibTeX entry:

  @Manual{,
    title = {ip2location: Lookup for IP Address Information},
    author = {Kai Wen Ooi},
    year = {2026},
    note = {R package version 8.1.4},
    url = {https://github.com/ip2location/ip2location-r},
  }