Why Is My WAN IP Different from My LAN IP?

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Difference between WAN ip address and public ip address
Your wireless router has another router between it and the public internet. There are two IP addresses in play and you need both to do anything on the Internet, even to read this article. Start learning today for free Move Your Career Forward with certification training in the latest technologies. Each router will have an ip address towards my computer and another ip address which it uses to connect to other router or internet? Typically, it is a series of four sets of digits that are separated by three "dots" or periods.

How you connect to the world.

Did you know you have a private IP address?

This site uses cookies to deliver our services and to show you relevant ads and job listings. By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. They say that to do port forwarding I must buy a fixed IP, for which they ask a fortune and it's a life-time fixed IP address, that I will never be able to change unless I pay double that fortune.

Is there anyway to work around this problem? If my assumptions based on your problem are correct, you will need to source your IP address externally - and unfortunately there is a cost associated with it.

There are a few of these providers arround. This solution will entail a performance hit because of the longer routing. The alternative is to change to another ISP.

I suspect you could also purchase a small public block of IPs as well and have each system with its own routable IP. This, however, would likely be in the range of a small commercial enterprise price range. By clicking "Post Your Answer", you acknowledge that you have read our updated terms of service , privacy policy and cookie policy , and that your continued use of the website is subject to these policies.

Home Questions Tags Users Unanswered. Many thanks for any hints. What is the second set of digits on your IP? If there are two computers connected to your home router, each computer will show the same public IP address, but each has its own internal IP address. That's why you get your own email and not anyone else's—your router knows who made the request and who gets the reply. When most anyone talks about an IP address in general, the public one is the one they're referring to.

It's also the most important one in your daily life: Your public IP address—every other network and computer in the world will know your computer by when you're actively on the Internet. Right now, your public IP address is Typically, it is a series of four sets of digits that are separated by three "dots" or periods. This format is called the IPv4 IP address format.

You should know that your IP address will change if you have a laptop and go online in different places hotels, coffeehouses, airports, etc. You can learn how to change your IP address here. If your public IP address right now is a lot longer and has more than three dots, don't be concerned. That simply means your public IP address is of the new variety called IPv6. You can read more about IPv6 in our Learning Center.

The second or other IP address in play is your internal IP address.

The power of two.