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Posted 3 Oct 2012
Licenced CPOL

Retrieve information about my IP

, 3 Oct 2012
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Retrieve information about my IP from a website.
This is an old version of the currently published tip/trick.


We create a connection to the website "FIND-IP-ADDRESS.ORG" which automatically obtains our IP when we create a connection to it. With our IP it obtains info about us and stores them in its website. Now we want to retrieve these information and download it into our application.

We download the source code (HTML) of the page and we trim and split them. At the end it should remain only the infos we need.

There are two functions, one button, some (8) labels, and textboxes.

Using the code

Imports System.IO
Imports System.Net
Imports System.Text

Public Class Form1
    Dim ur As New Uri("")
    Dim htmlData As String
    Function downloadHTMLData() As Boolean
            Dim request As HttpWebRequest = HttpWebRequest.Create(ur)
            Dim response As HttpWebResponse = request.GetResponse()
            If (response.StatusCode = HttpStatusCode.OK) Then
                Dim receiveStream As Stream = response.GetResponseStream()
                Dim readStream As StreamReader = Nothing
                If (response.CharacterSet = Nothing) Then
                    readStream = New StreamReader(receiveStream)
                    readStream = New StreamReader(receiveStream, _
                    Dim data As String = readStream.ReadToEnd()

                    Dim s, e As String
                    s = "My IP Country Name:"
                    e = "IP Address Lookup Location"
                    Dim index1 As Integer = data.IndexOf(s)
                    Dim index2 As Integer = data.IndexOf(e)
                    Dim output As String = data.Substring(index1 + s.Length, index2 - index1 - s.Length)
                    htmlData = output
                End If
            End If
            Return True
        Catch ex As Exception
            Return False
        End Try
    End Function

    Private Function trimmHTMLText(ByVal startFrom As String, ByVal endAt As String)
        Dim index1 As Integer = htmlData.IndexOf(startFrom)
        Dim index2 As Integer = htmlData.IndexOf(endAt)
        Dim output As String = htmlData.Substring(index1 + startFrom.Length, index2 - index1 - startFrom.Length)
        Return output
    End Function

    Private Sub btLookup_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btLookup.Click
        btLookup.Enabled = False

        If downloadHTMLData() = True Then
            TextBox1.Text = trimmHTMLText(">My IP Address lookup</strong> for <b>", _
                            "</b> show IP which") ' MY IP ADDRESS
            TextBox2.Text = trimmHTMLText("City</b>:&nbsp;&nbsp; <font color='#980000'>", _
                            "</font><br><b>My IP Address Latitude</b>") ' IP ADDRESS CITY
            Dim txtbx3 As String = trimmHTMLText(")<br><br><strong>My IP Address Region" & _ 
                "</strong>: <font color='#980000'>", "</font><br><b>") ' MY ADDRESS REGION
            Dim s As String() = txtbx3.Split("<") : TextBox3.Text = s(0)
            TextBox4.Text = trimmHTMLText("Provider)</strong>:&nbsp;<font color='#980000'> ", _
                                          "</font><br /") ' MY ISP PROVIDER
            TextBox5.Text = trimmHTMLText(":&nbsp;&nbsp;<font color='#980000'> ", _
                                          "</font>&nbsp;&nbsp;<img src='") 'COUNTRY NAME
            TextBox6.Text = trimmHTMLText("My IP Address Latitude</b>: ", _
                            "<br><b>My IP Address Longtitude") ' MY IP ADDRESS LATITUDE
            TextBox7.Text = trimmHTMLText("My IP Address Longtitude</b>: ", _
                            "<br><br><strong>My ISP") ' MY IP ADDRESS LONGTITUDE
            TextBox8.Text = trimmHTMLText("My Time zone</b>: ", _
                            "<br><b>My Local time") ' MY TIME ZONE
            'GET COUNTRY FLAG
            PictureBox1.Load(ur.ToString + trimmHTMLText("</font>&nbsp;&nbsp;<img src='", _
                             "'><br><strong>My IP Country Continent<"))
        End If
        btLookup.Enabled = True
    End Sub
End Class


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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Comments and Discussions

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Answer[My vote of 1] عمر الجبلي Pin
abogala13-Mar-13 17:41
memberabogala13-Mar-13 17:41 
GeneralRe: [My vote of 1] عمر الجبلي Pin
bEGI2314-Mar-13 1:39
memberbEGI2314-Mar-13 1:39 
GeneralRetrieve IP info Pin
Rick Sparks13-Mar-13 1:36
memberRick Sparks13-Mar-13 1:36 
GeneralRe: Retrieve IP info Pin
bEGI2313-Mar-13 5:07
memberbEGI2313-Mar-13 5:07 
GeneralRe: Retrieve IP info Pin
Rick Sparks13-Mar-13 10:10
memberRick Sparks13-Mar-13 10:10 
GeneralMy vote of 5 Pin
VitorHugoGarcia11-Mar-13 7:14
memberVitorHugoGarcia11-Mar-13 7:14 
SuggestionMake data search easier by searching for "<" after data Pin
Member 80729961-Mar-13 3:32
memberMember 80729961-Mar-13 3:32 
GeneralRe: Make data search easier by searching for "<" after data Pin
bEGI238-Mar-13 2:33
memberbEGI238-Mar-13 2:33 
GeneralRe: Make data search easier by searching for "<" after data Pin
Member 80729968-Mar-13 18:51
memberMember 80729968-Mar-13 18:51 
GeneralMy vote of 1 Pin
Mukund Thakker23-Dec-12 23:12
memberMukund Thakker23-Dec-12 23:12 
GeneralMy vote of 5 Pin
BertrandLQ17-Dec-12 2:26
memberBertrandLQ17-Dec-12 2:26 

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