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How to find out the server IP address (using JavaScript) that the browser is connected to?

rated 0 times [ 60] [ 3] / answers: 1 / hits: 155850 / 15 Years ago, wed, september 2, 2009, 12:00:00

Is there any way you can find the IP of the server that the browser is connected to? For e.g. if the browser is accessing http://www.google.com, can we tell in any way what IP it is connected to? This is very useful in cases where Round-robin DNS is implemented. So say, the first request to a.com results in 1.1.1.1 & subsequent request result in 1.1.1.2 & so on.

I couldn't find any way to do it with JavaScript. Is it even possible? If not is there any universal way to find this info out?

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answered 15 Years ago gonzaloulyssess · Accepted Answer

Fairly certain this cannot be done. However you could use your preferred server-side language to print the server's IP to the client, and then use it however you like. For example, in PHP:

<script type=text/javascript>

    var ip = <?php echo $_SERVER['SERVER_ADDR']; ?>;

    alert(ip);

</script>

This depends on your server's security setup though - some may block this.