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So, you need to know what is your IP address?
In a hurry? Then go directlty to a tool that will tell you what is your IP address.
But if you want to know a little bit more about IP addresses, then read on to find the very basic and vital stuff.
What is an IP address?
An IP address is an identifier for the computer, smartphone or device you use when surfing the Internet. It generally is unique, but sometimes is shared among your home/school/work computers.
Who can see my IP address and what information it reveals?
Why I need to know my IP address?
You need your IP address when you run some multi-player games, when you host some Internet services (like your own webserver or ftp server), when you use IP cameras (and need to access them remotely), when you attach some kind of remote-control hardware or other Internet-aware applications. In general, everytime you need to access a service inside your private network (ie your home/school/work servers/computer/etc.) from the public Internet.
What format is my IP address?
An IP address is a series of 4 numbers separated by a dot. Each number can go from 0 to 255, so a typical IP address look like 18.104.22.168.
Is my IP address always the same?
It depends, but most likely not. Most of the times, your Internet service provider assigns you a different IP address because they own blocks of IP addresses and attach them to their subscribers in the order they "connect" to their infrastructure. So, you may be issued a different IP address everytime you turn on your modem, cable-modem, etc.
Some times (the less) you are assigned a fixed IP address when you signup for the service and this never changes.
So, how can I know my current IP address?
There are different websites that can give you your IP address, but if you want a good and simple way to know your IP address, use IP-Address.me.
© Federico Sanchez 2012.