IIS redirect based on IP address...

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For our firm, we have a website in two languages, French and English. We would like to make it so that residents of the US, when they access the website, based on the IP address, they will be redirected to the English site. Residents of Quebec for example, would be redirect to the French side.

I've looked around and you can do something like IIS geolocation? Our sites run in IIS 7. Has anyone done something similar? Personally I am not an IIS guru so I am just doing my research but if anyone can point me to the right direction I'd appreciate it.