# ipv6calc を Homebrew, apt, dnf, MacPorts, Nix, pacman でインストール

ipv6calc のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

## インストール

```sh
sudo av install brew:ipv6calc
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install ipv6calc
```

  証拠: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install ipv6calc
```

  証拠: MacPorts ports tree: net/ipv6calc/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- Debian apt (92%):

```sh
sudo apt install ipv6calc
```

  証拠: Debian stable package indexes: ipv6calc from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

- dnf (92%):

```sh
sudo dnf install ipv6calc
```

  証拠: Fedora Rawhide package metadata: ipv6calc from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst

- Nix (92%):

```sh
nix profile install nixpkgs#ipv6calc
```

  証拠: nixpkgs package indexes: pkgs/by-name/ip/ipv6calc/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

- pacman (92%):

```sh
sudo pacman -S ipv6calc
```

  証拠: Arch Linux sync databases: ipv6calc from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz

## パッケージ情報

- **パッケージキー:** brew:ipv6calc
- **パッケージマネージャ:** Homebrew
- **バージョン:** 4.4.0
- **ソース概要:** Small utility for manipulating IPv6 addresses
- **ホームページ:** <https://www.deepspace6.net/projects/ipv6calc.html>
- **リポジトリ:** <https://github.com/pbiering/ipv6calc>
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- ipv6calc (エイリアス)
- ipv6loganon (エイリアス)
- ipv6logconv (エイリアス)
- ipv6logstats (エイリアス)

## インストール挙動

- Bottle: 利用不可

## バージョンと鮮度

- ページ生成日: 2026-08-03
- マネージャ版: 4.4.0
## プロジェクトの歴史と使われ方

ipv6calc is a C utility by Peter Bieringer for manipulating, converting, analyzing, and anonymizing IPv6 and related IP address data. It began as a small conversion tool and grew into a suite with log converters, anonymizers, statistics helpers, CGI support, an Apache module, and optional local database integrations.

### プロジェクトの歴史

The project homepage states that ipv6calc's original intent was converting IPv6 addresses into compressed form and into the format shown by /proc/net/if_inet6, while also migrating functionality from the Perl ip6_int program. The same page records copyright beginning in 2001 and names Peter Bieringer as author.

Over time ipv6calc expanded beyond address formatting. The homepage lists included programs such as ipv6calcweb, ipv6logconv, ipv6loganon, ipv6logstats, and mod_ipv6calc, and documents built-in registry databases plus optional GeoIP, IP2Location, DB-IP, MaxMindDB, and external registry database support.

The project moved source hosting to GitHub on 2016-09-05 according to the homepage. The public ChangeLog records regular database updates, feature maintenance, and version tags through the 4.x line.

### 採用の歴史

ipv6calc found adoption in IPv6 operations and packaging because it handles the practical edges of IPv6 notation, registry metadata, and log processing that general-purpose shell tools do not. The project homepage notes Fedora inclusion from Fedora 7 and EPEL availability for several Red Hat Enterprise Linux generations.

The package is distributed by Homebrew and major Linux package managers, making it a familiar small utility for operators who need deterministic IPv6 address conversion or log anonymization in scripts.

### 使われ方

Common use includes converting IPv6 address forms, extracting address properties, anonymizing IPv4/IPv6 web logs, converting logs, generating log statistics, and enriching address analysis with built-in or local registry/geolocation databases.

Its database support gives the package a broader operational role than a calculator name suggests: it can classify addresses by registry, country code, ASN, MAC/OUI-derived information, and external database lookups when compiled with those options.

### パッケージ好きにとっての重要性

ipv6calc is the sort of package that delights infrastructure packagers: a small CLI name hides multiple binaries, optional C library/database integrations, CGI and Apache module pieces, signed release practices, distro-specific build flags, and long-running registry-data maintenance.

It also captures a moment in IPv6 adoption history when operators needed purpose-built helpers for address notation, /proc compatibility, log privacy, and registry interpretation.

### タイムライン

- 2001: Project copyright period begins on the official homepage.
- 2006: Optional IPv4 IP2Location and GeoIP support appears in documented release history.
- 2007: Optional IPv6 IP2Location support appears in documented release history.
- 2013: Signed packages use the documented code-signing key for 0.95.0 and later.
- 2016: Source hosting moves to GitHub.
- 2019: MaxMindDB support appears in the 2.0.0 line.
- 2020: GeoIP legacy and DB-IP Berkeley DB support are removed in 3.0.0.
- 2025: The ChangeLog records 4.x releases with expanded IP2Location and ASN database support.

### Related projects

- ipv6calc relates to DeepSpace6, ip6_int, initscripts-ipv6, GeoIP, IP2Location, DB-IP, MaxMindDB, Apache modules, and distro packaging in Fedora, EPEL, Debian, Ubuntu, Homebrew, and other package sets.

### ソース

- <https://formulae.brew.sh/formula/ipv6calc>
- <https://github.com/pbiering/ipv6calc>
- <https://raw.githubusercontent.com/pbiering/ipv6calc/master/ChangeLog>
- <https://www.deepspace6.net/projects/ipv6calc.html>


## セキュリティノート

narrow executable package without higher-risk signals.

- **Geiger リスク:** グリーン / 低
- narrow executable package without higher-risk signals

## 他のパッケージマネージャ記録

- Debian apt - ipv6calc - 4.1.0-0.2: normalized package name match | Debian stable package indexes: ipv6calc from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | small utility for manipulating IPv6 addresses | https://www.deepspace6.net/projects/ipv6calc.html
- Nix - ipv6calc: normalized package name match | nixpkgs package indexes: pkgs/by-name/ip/ipv6calc/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- Ubuntu apt - ipv6calc - 4.1.0-0.1: normalized package name match | Ubuntu 24.04 LTS package indexes: ipv6calc from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | small utility for manipulating IPv6 addresses | https://www.deepspace6.net/projects/ipv6calc.html
- dnf - ipv6calc - 4.4.0-4.fc45: normalized package name match | Fedora Rawhide package metadata: ipv6calc from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | IPv6/IPv4 address information, format change, filter and calculation utility | https://www.deepspace6.net/projects/ipv6calc.html
- dnf - ipv6calc-ipv6calcweb - 4.4.0-4.fc45: normalized package name match | Fedora Rawhide package metadata: ipv6calc-ipv6calcweb from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | IP address information web utility | https://www.deepspace6.net/projects/ipv6calc.html
- dnf - ipv6calc-mod_ipv6calc - 4.4.0-4.fc45: normalized package name match | Fedora Rawhide package metadata: ipv6calc-mod_ipv6calc from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | Apache module for ipv6calc | https://www.deepspace6.net/projects/ipv6calc.html
- pacman - ipv6calc - 4.4.0-1: normalized package name match | Arch Linux sync databases: ipv6calc from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | Small utility to manipulate, convert and calculate (more than) IPv6 addresses | https://www.deepspace6.net/projects/ipv6calc.html
- MacPorts - ipv6calc: normalized package name match | MacPorts ports tree: net/ipv6calc/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1


## Combined YAML source

View the package source record on GitHub. [combined/ipv6calc.yml](https://github.com/mxcl/pkgdb/blob/main/combined/ipv6calc.yml)


## ソース

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph