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# geo

🗺An easy way to manage all your Geo resources.

Support GeoIP/GeoSite code lookup and converting among all popular GeoIP/GeoSite databases.

## Install

Requirements:

- [Go](https://go.dev) 1.20+

```shell
go install -v github.com/metacubex/geo/cmd/geo@master
```

## Usage

Type `geo help` for more details.

### Look up codes from existing Geo databases

The default directory to find Geo databases is
`~/.geo`. You can specify it through `-D` argument.

#### IP

```shell
geo look 223.5.5.5
```

```shell
geo look 2001:250::
```

#### Site

```shell
geo look example.com
```

```shell
geo look --no-resolve example.com
```

Supported databases for `look` command:

- MaxMind MMDB
- V2Ray dat GeoIP/GeoSite
- sing-geosite
- sing-geoip MMDB
- Meta-geoip MMDB

### Convert

#### IP

```shell
geo convert ip -i <input_type> -o <output_type> -f [output_filename] input_filename
```

```shell
geo convert ip -i v2ray -o meta ./geoip.dat
```

Available types:

- [MaxMind](https://github.com/Dreamacro/maxmind-geoip) (MMDB)
- [V2Ray-geoip](https://github.com/v2fly/geoip) (dat)
- [sing-geoip](https://github.com/SagerNet/sing-geoip) (MMDB)
- [Meta-geoip](https://github.com/MetaCubeX/meta-rules-dat) (MMDB)

Supported conversion pairs: (Column=From, Row=To)

| | MaxMind | V2Ray-geoip | sing-geoip | Meta-geoip |
| ---------- | :-----: | :---------: | :--------: | :--------: |
| MaxMind | - | | | |
| V2Ray | | - | | |
| sing-geoip ||| - ||
| Meta-geoip | || | - |

Conversion to MaxMind is not available for legal reasons.
Conversion to V2Ray is on the TODO list.

#### Site

```shell
geo convert site -i <input_type> -o <output_type> -f [output_filename] -c [country code] input_filename
```

```shell
geo convert site -i v2ray -o sing ./geosite.dat
```

Only v2ray -> sing conversion is supported for GeoSite.

## Frequently Asked Questions (FAQ)

### Why conversion MaxMind/sing-geoip -> Meta-geoip is not available?

Meta-geoip is designed to support IP with multiple results,
which will help users who use GeoIP functionality as IPList or IPSet.

For sources such as MaxMind and sing-geoip, which only have a single possible result,
according to the principle of Occam's razor, there is no need to convert to Meta-geoip database.
In the other hand, when there is only a single result,
the data structure of Meta-geoip and sing-geoip is completely consistent,
and even compatible with the parsing logic.

Clash.Meta supports all of these databases, so everything is well. :-)
# geo

🗺An easy way to manage all your Geo resources.

Support GeoIP/GeoSite code lookup and converting among all popular GeoIP/GeoSite databases.

## Install

Requirements:

- [Go](https://go.dev) 1.20+

```shell
go install -v github.com/metacubex/geo/cmd/geo@master
```

## Usage

Type `geo help` for more details.

### Look up codes from existing Geo databases

The default directory to find Geo databases is
`~/.geo`. You can specify it through `-D` argument.

#### IP

```shell
geo look 223.5.5.5
```

```shell
geo look 2001:250::
```

#### Site

```shell
geo look example.com
```

```shell
geo look --no-resolve example.com
```

Supported databases for `look` command:

- MaxMind MMDB
- V2Ray dat GeoIP/GeoSite
- sing-geosite
- sing-geoip MMDB
- Meta-geoip MMDB

### Convert

#### IP

```shell
geo convert ip -i <input_type> -o <output_type> -f [output_filename] input_filename
```

```shell
geo convert ip -i v2ray -o meta ./geoip.dat
```

Available types:

- [MaxMind](https://github.com/Dreamacro/maxmind-geoip) (MMDB)
- [V2Ray-geoip](https://github.com/v2fly/geoip) (dat)
- [sing-geoip](https://github.com/SagerNet/sing-geoip) (MMDB)
- [Meta-geoip](https://github.com/MetaCubeX/meta-rules-dat) (MMDB)

Supported conversion pairs: (Column=From, Row=To)

| | MaxMind | V2Ray-geoip | sing-geoip | Meta-geoip |
| ---------- | :-----: | :---------: | :--------: | :--------: |
| MaxMind | - | | | |
| V2Ray | | - | | |
| sing-geoip ||| - ||
| Meta-geoip | || | - |

Conversion to MaxMind is not available for legal reasons.
Conversion to V2Ray is on the TODO list.

#### Site

```shell
geo convert site -i <input_type> -o <output_type> -f [output_filename] -c [country code] input_filename
```

```shell
geo convert site -i v2ray -o sing ./geosite.dat
```

Only v2ray -> sing conversion is supported for GeoSite.

### Unpack

#### site

```shell
geo unpack site ./geosite.dat -d output -c cn
```

- -d output dir
- -c code, unpack all geosite if not set

## Frequently Asked Questions (FAQ)

### Why conversion MaxMind/sing-geoip -> Meta-geoip is not available?

Meta-geoip is designed to support IP with multiple results,
which will help users who use GeoIP functionality as IPList or IPSet.

For sources such as MaxMind and sing-geoip, which only have a single possible result,
according to the principle of Occam's razor, there is no need to convert to Meta-geoip database.
In the other hand, when there is only a single result,
the data structure of Meta-geoip and sing-geoip is completely consistent,
and even compatible with the parsing logic.

Clash.Meta supports all of these databases, so everything is well. :-)

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