This .Net project is an IIS module to geoblock requests based on a MaxMind geo IP file.
Iis7GeoblockModule.zip contains the source code and a .net 2.0 build of the module.
IisGeoblockModule.net4.5.zip contains a .net 4.5.1 build of the module to support IIS 8
In the net4.5 archive, there are also 2 tools available. 1 to quickly check the country for an IP address and one to automate the update of the MaxMind data file.
Installation documentation is also included in the zip files.