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Andreas Falkenhahn wrote:

I'm new to LuaSocket so please bear with me if the next question is
all too obvious :) All I want to do is find out my current IP and host name
using LuaSocket. I tried to use getsockname() but this seems to return
the IP of my router (192.168.0.1) instead of my real IP. How do I retrieve
my real IP using LuaSocket?
Your PC does not know the address your provider gave to your router, so (as far as I know) LuaSocket cannot easily get it directly. Yuo can call your router's web/text interface or use a site such as this one (randomly found with google): http://www.ip-adress.com/ 
You can read the page and extract the address.

  Enrico