raddr: Show What an IP Address Literal Means Under Every Standard
Standards and implementations disagree about what an IP address literal means: the string "0177.0.0.1" is rejected by the dotted-quad grammar, read as 127.0.0.1 by browsers, and read as 177.0.0.1 by some 'inet_pton' implementations. Most libraries pick one reading and discard the rest. This package reports them all, alongside the reason codes that explain each one, and classifies parsed values against the IANA special-purpose address registries. It is pure R, performs no network access, and returns facts rather than allow or deny verdicts.
| Version: | 0.1.2 |
| Depends: | R (≥ 4.0.0) |
| Imports: | rlang (≥ 1.1.7), vctrs (≥ 0.7.0) |
| Suggests: | bignum, bit64, digest, hedgehog, knitr, rmarkdown, spelling, testthat (≥ 3.0.0) |
| Published: | 2026-09-21 |
| DOI: | 10.32614/CRAN.package.raddr (may not be active yet) |
| Author: | Bart Turczynski 
[aut, cre],
web-platform-tests contributors [cph] (bundled URL test corpus,
BSD-3-Clause; see inst/COPYRIGHTS) |
| Maintainer: | Bart Turczynski <bartek at turczynski.pl> |
| BugReports: | https://gitlab.com/bart-turczynski/raddr/-/issues |
| License: | MIT + file LICENSE |
| Copyright: | see file COPYRIGHTS |
| URL: | https://gitlab.com/bart-turczynski/raddr |
| NeedsCompilation: | no |
| Language: | en-US |
| Materials: | README, NEWS |
| CRAN checks: | raddr results |
Documentation:
| Reference manual: | raddr.html , raddr.pdf |
| Vignettes: |
Edge cases (source, R code) Introduction to raddr (source, R code) Reason codes (source, R code) |
Downloads:
| Package source: | raddr_0.1.2.tar.gz |
| Windows binaries: | r-devel: not available, r-release: not available, r-oldrel: not available |
| macOS binaries: | r-release (arm64): not available, r-oldrel (arm64): raddr_0.1.2.tgz, r-release (x86_64): raddr_0.1.2.tgz, r-oldrel (x86_64): raddr_0.1.2.tgz |
Linking:
Please use the canonical form https://CRAN.R-project.org/package=raddr to link to this page.