How to use Global.asax file to redirect the user ?

http://ipaddressextensions.codeplex.com/

http://stackoverflow.com/questions/5083794/how-to-use-global-asax-file-to-redirect-the-user

Geolocation error with IP address 127.0.0.1
http://stackoverflow.com/questions/3690278/geolocation-error-with-ip-address-127-0-0-1