Re: Country to IP range list

[Erik Norgaard <norgaard () locolomo org>]

Luis Lopez Sanchez wrote:
> An interesting link about this issue:
>
> http://software77.net/cgi-bin/ip-country/geo-ip.pl

I took a look at the database, it is generated from the delegation lists 
 published by the regional registries. It doesn't appear like they have 
made an effort to adjoin adjacant ranges assigned to the same country.

Meanwhile, I have made my script available here:

   www.daemonsecurity.com/src/ip-rules.pl

which adjoins ranges from the same country and outputs it nicely in CIDR 
format rather than the decimal number representation used at the site 
you refer to.

To use the above script, you need to download the delegation lists from 
the regional registries, and note that there is no way of creating 
country wise rules for ranges assigned directly by IANA.

Cheers, Erik
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