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About IP, and how to know it
As is well known IP (Internet Protocol) is like the identity of a computer that is connected to the internet. It is a quadruple of numbers ranging between 0 and 255, separated by dots. Example 104.29.239.7
Based on the above, the possible combinations of such quadruple numbers (ie, IPs) are 256 x 256 x 256 x 256 = 4.294.967.296 So theoretically, as many as about computers can be connected to the internet. This number in the first steps of the internet was considered huge that would never be exhausted. But it quickly began to run out, as the number of servers on the internet, but especially the entry of smartphones into the Internet-enabled market, began to rise in spite of users.
For years, technologies have been developed so that an IP can serve the connection of not one but multiple computers such as a company's internal network computers, computers and smartphones of a home, etc. So when in our home, having a ADSL line, and we use the laptop to connect to the internet and at the same time a member of our family using his smartphone also connects through our own home connection, then for the outside world on the internet our laptop and sm our artphone "seems to have the same IP", so it's the same device.
This is accomplished through the router that is given to us by the internet connection provider. In fact, the router creates a local home network, rendering "pseudo-IPs" to each device connected to it (desktops, laptops, smartphones, network printers etc), and pointing out to everyone a single common " ". Typically, the internal "pseudo-IPs" stand out from their initial number of 10. Thus, for example, an IP 10.2.7.202 is a pseudo-IP internal network.
To overcome this problem of limited availability of IPs, a new kind of more complex IPs has been introduced, which yields a much larger number of combinations, called IPv6.
The common real IP that your router uses for all your devices is given to the router by your provider whenever the router reboots or reboots or connects to the router. So the IP that gives you can be completely different from what you had before rebooting the router.
If you want to know the IP that you have at a time, ie the actual IP that shows your home network in the outside world, you can call the address given in the link below. In addition to the actual IP of your network, it will also tell you what is the "pseudo-IP" your router has received from your router, even the name of the company that provides you with the internet connection.
A.C.
Date: 15.01.2018
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