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by Sigma6 on June 24th, 2003

Sigma6

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What are IP addresses?

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  • by cambsman on May 29th, 2009

    cambsman

    Others have explained the technical part well - 4 numbers...
    Every time you click on a website to load a page - that web site needs to know where to send the page. How does the information for that web site get sent to your computer and not everyone elses?.
    Thats where the IP address comes in. When you click on a page - your IP address is used to say that you are requesting the information and the data is sent to you.
    (How it gets to you is very clever - so we have routers etc- which act a little like exchanging - knowing how to find a path to your computer - preferably quickly and efficiently).
    Some IP addresses are static - i.e,. never change and some change. Why? Well basically we do not have enough IP addresses to go round (hence the new standard coming out).
    So it is very important that two systems connected to a network do not share the same IP address (some of the "post" would get sent to one address and some to another - chaos).
    If you have several computers in your house - all connected to the internet - then they will each have their own IP addresses.

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