## libipinfo
**IP information** library for Nullnet.
It allows specifying one or more IP information providers and querying them for information about an IP address.<br>
Providers can be of two types:
- **API providers**, queried by making an HTTP request to a specific URL
- **MMDB providers**: queried by looking up the IP address in a database
This library also exposes a way to configure the JSON schema for the responses of the API providers,
and permits to download and periodically refresh MMDB databases.
The library internally uses a fallback provider (free databases from [dp-ip.com](https://db-ip.com))
so that it's able to return information even if the user specifies no providers.