Wednesday, April 25, 2012

Locating IPAddress using ASP.NET with C# (Method 1)

In This post I am going to explain about locating the IP Address using ASP.NET with C# programming i.e; If we know the IP address of the system then locating the system where this IP belongs. To do this first we need to download the 3rd party IP Adress Extension DLL.
Please download IP Address extension dll from

After Downloading then create a new project and add the downloaded dll in to our solution.e; Right click on references and add the dll.

Then add the New Aspx page with the following code:

<html xmlns="">
<head runat="server">
    <form id="form1" runat="server">
        IP Address :
        <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
        <br />
        <br />
        <asp:Button ID="Button1" runat="server" onclick="Button1_Click"
            style="height: 26px" Text="Locate" />

After creating Aspx page then code behind and add the following namespaces.

using System.Net;
using WorldDomination.Net;

Then add the following code in the code behind file

protected void Page_Load(object sender, EventArgs e)


        protected void Button1_Click(object sender, EventArgs e)
            string userHostIpAddress = TextBox1.Text;
            IPAddress ipAddress;
            if (IPAddress.TryParse(userHostIpAddress, out ipAddress))
                string country = ipAddress.Country();//To Get Country of Ip Adress
                string iso3166TwoLetterCode = ipAddress.Iso3166TwoLetterCode();//To Get ISO Two Letter Code of Ip Adress

                string iso3166ThreeLetterCode=  ipAddress.Iso3166ThreeLetterCode();//To Get ISO Three Letter Code of Ip Adress

                string registry = ipAddress.Registry();//To Get registry of Ip Adress

                Response.Write("Country     : " + country + "<br/>" + "ISO Two Letter Code    : " + iso3166TwoLetterCode + "<br/>" + "ISO Three Letter Code    :" + iso3166ThreeLetterCode + "<br/>" + "registry    :" + registry);

Output :

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