# [ip-location-db](https://github.com/sapics/ip-location-db)/dbip-asn-mmdb

## Download

| Database | Type | License | Updated | IPv4 | IPv6 | IPv4+IPV6 | IPv4-num | IPv6-num |
|---|---|---|---|---|---|---|---|---|
| [DB-IP Lite](https://github.com/sapics/ip-location-db/tree/main/dbip-asn/)<br><br>[![npm version](https://img.shields.io/npm/v/@ip-location-db/dbip-asn?color=success&style=flat-square&label=CSV)](https://www.npmjs.com/package/@ip-location-db/dbip-asn)<br>[![npm version](https://img.shields.io/npm/v/@ip-location-db/dbip-asn-mmdb?color=success&style=flat-square&label=MMDB)](https://www.npmjs.com/package/@ip-location-db/dbip-asn-mmdb) | ASN | [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/)<br> by [DB-IP](https://db-ip.com/) | Monthly | [CSV](https://cdn.jsdelivr.net/npm/@ip-location-db/dbip-asn/dbip-asn-ipv4.csv)<br>[MMDB](https://cdn.jsdelivr.net/npm/@ip-location-db/dbip-asn-mmdb/dbip-asn-ipv4.mmdb) | [CSV](https://cdn.jsdelivr.net/npm/@ip-location-db/dbip-asn/dbip-asn-ipv6.csv)<br>[MMDB](https://cdn.jsdelivr.net/npm/@ip-location-db/dbip-asn-mmdb/dbip-asn-ipv6.mmdb) | — | [CSV](https://cdn.jsdelivr.net/npm/@ip-location-db/dbip-asn/dbip-asn-ipv4-num.csv) | [CSV](https://cdn.jsdelivr.net/npm/@ip-location-db/dbip-asn/dbip-asn-ipv6-num.csv) |


## MMDB Format

```
autonomous_system_number, autonomous_system_organization
```


### autonomous_system_number

`autonomous_system_number` is a unique number assigned to an Autonomous System (AS) by the [IANA](https://www.iana.org/). [wiki](https://wikipedia.org/wiki/Autonomous_system_(Internet)).


## Referenced Database and License



### [DB-IP](https://db-ip.com/) database [Update: Monthly]

You could download and read the license from [ip-to-asn-lite](https://db-ip.com/db/download/ip-to-asn-lite) or [ip-to-country-lite](https://db-ip.com/db/download/ip-to-country-lite) or [ip-to-city-lite](https://db-ip.com/db/download/ip-to-city-lite).
Most of the AS Organization name used in [asn](https://www.npmjs.com/package/@ip-location-db/asn) uses [ip-to-asn-lite](https://db-ip.com/db/download/ip-to-asn-lite) database.
We also use [ip-to-asn-lite](https://db-ip.com/db/download/ip-to-asn-lite) to get AS Number from ip address as a supplemental.

These database are licensed under a [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/).
In the case of a web application, you must include a link back to DB-IP.com on pages that display or use results from the database. You may do it by pasting the HTML code snippet into your code: `<a href='https://db-ip.com/'>IP Geolocation by DB-IP</a>`.<br>
If you need better accuracy or no attribution or daily updates, please use the [Commercial Version of db-ip](https://db-ip.com/db/ip-to-country).