Network Programming in .NET

Although an IP address can’t always pinpoint where a user is to the correct city, it’s pretty reliable way of getting the user’s country, and you can tailor the content for that user, i.e. show prices in GBP for UK users, and USD for USD users.

There are plenty of ways of doing this, and many services that provide this service, but this worked well for me in an ASP.NET MVC website

WebClient wc = new WebClient();
var strJson = wc.DownloadString(“http://ipinfo.io/” + Request.ServerVariables[“REMOTE_ADDR”]);
var ip = Newtonsoft.Json.Linq.JObject.Parse(strJson);
var country = ip[“country”].ToString();