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How to get computer LAN IP?

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alebu

alebu

Programmer
Sep 7, 2002
46
Computers in LAN access internet thru special server and for all other internet they looks like single computer ( same IP ). How can I know, is there only one computer using that IP or there is more of them, and if there is more, then which of them exactly ( IP ) uses it now? I mean, request.getRemoteAddr() returns computer IP, but it is unclear, is there more computers behind it? Can I get IP of computer which uses that first IP? What about chain of proxies?
 
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