Detect/estimate country of a http-request in ASP.NET

Question

I\'m looking for ways to detect/estimate the country from which a http-request is coming in ASP.NET.
I know there are

Answer 1

You can use one of available web services to match an incoming request to a country.

Otherwise you may decide to grab the MaxMind database file (GeoLite Country), read from this file in your application and perform a match. Thus you will be independent from a third-party service, only pulling regularly updates for the database file.

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Geolocation web service recommendations

Know a good IP address Geolocation Service?