I am making a whatsmyip.org clone and this is what I have so far

<HTML>
<HEAD>
<TITLE>Maddog's IPs'</TITLE>
<META NAME="Keywords" CONTENT="IP, address, find ip address, ip addres, whats ip, ip find, ipconfig, ipaddress">
<META NAME="Description" CONTENT="Maddog's IP' - The #1 Way To Find Your IP Address !">
<META HTTP-EQUIV="Pragma" CONTENT="no-cache">
<LINK TITLE="" HREF="ip.css" TYPE="text/css" REL="stylesheet">
</HEAD>
<body>
<div align="center">
  <SCRIPT TYPE="text/javascript"><!-- 
    doad2();
//--></SCRIPT>
  <table class="maintable" align="center" border="1" cellSpacing="0" cellPadding="0">
    
    <tr>
      <td class="head"><div align="left"><img src="http://www.maddogsprofiles.com/flash/WHITEBAN.jpg" width="885" height="150"></div></td>
    <tr>
      <td class="ip"><h1 align="center">Your IP Is 
        <p align="center">
              <?php $ip = $_SERVER['REMOTE_ADDR'];
echo "<b>IP Address = $ip</b>";  ?></h1>
  <h3 align="center"> <text>You are currently viewing this page in <text/>     <map id="browser" ''name="firefox" "name="safari" "name="konqueror" name="internet explorer" name="opera" name="lynx" name="flock" name="netscape navigator" name="mosaic" ></map> <script> document.write( document.getElementById('browser').getAttribute('name')); </script>. 
        </p>
      </td>
    </tr>
    <tr>
    <a href="mailto:webmastermaddog@maddogsprofiles.com" td height="88" class="ad"><img src="ad.gif" width="743" height="87"> </a>      
      <SCRIPT TYPE="text/javascript"><!-- 
                doad1();
            //--></SCRIPT>        </td>
    <tr>
        <td class="body">
          
          <h3 align="center">Maddog's IPs' is the fastest and easiest way<br />to determine your IP address.</h3>
          <p> 
          <h3 align="center">
          <form action="http://www.google.com/cse" id="cse-search-box">
  <div>
    <input type="hidden" name="cx" value="013221771976019527881:6kzpwitkmxy" />
    <input type="hidden" name="ie" value="UTF-8" />
    <input type="text" name="q" size="31" />
    <input type="submit" name="sa" value="Search" />
  </div>
</form>
<script type="text/javascript" src="http://www.google.com/coop/cse/brand?form=cse-search-box&lang=en"></script>
          Copyright Maddog Noland Programming All Rights Reserved           </div></td>
    </tr>
  </table>
</div>
</BODY>
</HTML>

but I want to get it to show the computer country of origin, and host of the visitors internet like on the "more info" page at whatsmyip.org does anyone know how???

To show the origin country, a general way is to lookup into a MySQL database with updated IP country ranges, GeoLite Free is a choice. Some commercial databases provide location even into cities. After this, you can use the country code to get their corresponding flag.

To get WHOIS information there are several PHP classes that perform this function.

User agent and Referral URL is easy obtainable through $_SERVER environment variable. Deviating server load to client processing using Javascript to perform this tasks -like in your code- is always better.

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