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How to Get IP Address behind a router/proxy ??

Posted on 2003-03-13
Medium Priority
Last Modified: 2010-04-04
Hi all,

How can i get IP-Address behind a router/proxy ?? And how can i get IP or any info of router/proxy ??
Using InternetGetConnectedState i know if my internet connection is online, and if internet is using a Proxy or LAN to connect to internet!!

Question by:edrus
1 Comment

Accepted Solution

DaFox earned 140 total points
ID: 8129565
Hi edrus.

I did such a program a few month ago.
The problem is that your pcs connected to the lan (router) do only have their local (lan) ip. The router is the only one that knows the wan ip; you can't get it with API calls!

2 possiblities:
- Connect to a website like www.whatismyip.net, parse the website for the ip. Problem: What happens if this website is down???
- Try to communicate with your router (I did via telnet) and get the ip from it. You may have to get some technical information about your router to do so.

Best wishes,

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