Database to lookup visitor country from IP address

The database contains IP addresses as keys and countries as values. Web developers implement the database into a web services to reverse lookup the coutry from the visitor IP address using the scripting languages such as ASP, JSP, PHP, ColdFusion and etc. Things that you can do with this database are following. 1. Display native language and currency 2. Redirect based on country 3. Digital Rights Management 4. Prevent password sharing and abuse of service 5. Reduce credit card fraud 6. Web log stats and analysis 7. Auto-selection of country on forms 8. Filter access from countries you do not do business with 9. Geo-targeting for increased sales and click-thrus 10. And much, much more