The IP address is an unique indentifier assigned to each computer in a network. That is the definition of the IP address, probably you know this. Many questions raise from this sentence and you put yourself those questions many times: "How they can know where i am from?", "IF they have my IP address they can find out my street address", "They can find my name based on my IP address", "They can get into my computer using my IP address", "Why the IP address those websites show me is not the IP address that i got from my ISP" and many more questions regarding IP addresses.

Maybe when internet was explained to you for the first time you have seen a image with a cloud and everything connected to it. That image is logical and that is probably the right way to think the internet but in reality, the internet looks more like the image above. Read the rest of this entry »