Yakup KALEBAŞI

https://unsplash.com/

http://devnot.com/2015/blog-yazilarinizi-ucretsiz-gorsellerle-zenginlestirebileceginiz-10-web-sitesi/

try
{
    IncomingWebRequestContext request = WebOperationContext.Current.IncomingRequest;
    WebHeaderCollection headers = request.Headers;
    foreach (string headerName in headers.AllKeys)
    {
        if (headerName != "X-Forwarded-For") { continue; }
        return headers[headerName];
    }
}
catch (Exception)
{
}