Comments for How do I know if I'm behind a NAT router?

Comment from Ihab Zeineddine on 2008-12-20

2008-12-21T00:02:32Z

hello, i treid what u wrote up i become a ip 192.168. but as i search for my ip in internet i become a defferent one and the problem i got ip in usa and i can´t open most of sites that i used to open before please help me what shall i do to return my ip

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Comment from Lorenzo on 2008-08-07

2008-08-07T19:20:34Z

I would suggest to use a service like http://www.amibehindnat.com/ that let you know easily through a browser your local and public IP.
You just need a browser with Java capabilities and this can be used also by non technical people.

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Comment from ofir on 2008-06-20

2008-06-21T05:31:51Z

hello, i have a router siemens SL2-141.

i did configure all the ports and stuff, but its a pain in my butt realy, nat makes the network 3 times slower ! i have a static ip adress configured, i have 2 pc's.

one: (static)

10.0.0.2 ip

10.0.0.138 gateway

255.0.0.0 netmask

second (wireless)

10.0.0.1 ip

10.0.0.138 gateway (of course its same ^_^)

255.0.0.0

now i tried the option to remove nat, which blocks all ports.

i did connect to internet, but i didnt actually was, but the router kept recieving, but i didnt recieve it.... i was constantly on my static ip that time, if you could help and tell me how to disable it and making the router work, even if i have to change the router gateway, i must turn it off ! its a pain in my behind O_O

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Comment from Leo A. Notenboom on 2008-01-13

2008-01-13T19:22:06Z

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I don't have an answer for you.

It sounds like your internet IP address is changing (that's
the address your router uses to connect to the internet).
It's not uncommon for that to change. It's not a security
thing, per se, it just happens.

The problem is that it shouldn't matter. Your router should
just handle it and keep things working properly.

I suppose you could try another router, but it's hard for me
to definitively point a finger at it - could be a
configuration thing too, I suppose, but I can't say for
certain which one without seeing the router.

Sorry I don't have more for you.

Leo

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Comment from Tim Turner on 2008-01-10

2008-01-11T05:22:42Z

Leo, I read a question that was asked on the "behind a NAT router" page, but I did not see an answer to it. I have been working to resolve the same problem for months, hours and hours at a time. Can you please direct me to a help resource as I have not found an answer yet.
The question revolved around my wireless Laptop randomly starting to search for an I.P. address only when on my home network when it should already have one. My situation is the same as in the post:

After reading a few different articles about using routers on your site (and at others), I am STILL confused. Like in your IP Config shown above, I seem to have 2 different IP addresses! I will explain...

I have a cable modem and router connected to my desktop computer and use the router for wireless internet accesss on my laptop. After reading two of your articles on wireless access, I'm STILL not sure what's going on! My Netgear shows my IP address as beginning with 192.168, so from what you wrote, I am obviously behind a firewall. However....I have a Google addition on my homepage which also shows my IP address--and this address is totally different and changes every few days. (I believe they do this for security purposes).

My problem is that when this address changes, I lose my internet connection on the laptop. Unplugging the router for 30 seconds and plugging it back does resolve the problem and my laptop is back online again.

Why is this happening and can I resolve this problem without having to reboot the router every time this occurs?

Every article I read is either too technical for laymen to understand or it doesn't address this particular problem or provide a fix for it (other than rebooting, which is what my ISP and another one of your articles said to do)! But I just can't believe there isn't a way to prevent this dropped connection from happening in the first place!

I would truly appreciate your help because it's driving me crazy!

Thank you,
Gina

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A comment on: How do I know if I'm behind a NAT router?

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Comment from Devan on 2007-05-20

2007-05-20T19:02:55Z

Hi,
I'v looked everywhere trying to find some sort of solution for my problem which you've probally heard before...let me try to explain it easily..
I installed a P2P program on my computer called Azureus..it works fine but it is slow probally because my computer is just plain slow and i have dial-up..Later on i installed another P2P program called uTorrent (i read it uses less memory). It tells your to check if port is forwarded properly...I'v tried all types of ports and when i click the button "check if port is forwarded properly" it always gets the error message "xxxxx port does not seem to be open"...i went to port forwarding.com and they talk about things like router and firewall...well, first of all do i even have a router? is router and firewall the same thing? Second of all, if i do have a router, where do i begin to look?..there is no little square box connected to my computer..im so confused...i have so much to ask! let me go on....
Why is one P2P program working and not the other?..Iv disabled windows firewall because my computer had two firewalls running at the same time...but in windows firewall in the exeptions tab, uTorrent is checked...shouldnt that allow it? my other firewall is for aol and isnt causing problems for Azureus so it shouldnt for uTorrent...how can i get this thing to work without going nuts with too much technical information or making my computer even more slow?...if iv confused you let me know...
Just to sum it up:
I have Windows XP home edition
AOL dial-up internet connection
Conexant Smart modem
Disabled windows firewall but allowed uTorrent as an exeption...do i need to open ports through my firewall for it to work? if so which ones?
thanx a bunch

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A comment on: How do I know if I'm behind a NAT router?

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Comment from arnold on 2007-04-17

2007-04-17T15:43:11Z

hi why my ip is 88.203.49.151?

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Comment from Leo Notenboom on 2007-03-10

2007-03-11T03:17:40Z

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No, you're not behind a NAT router.

It's important to note that EVERYONE is behind a router - routers are
the workhorses of internet connectivity, but not all provide the
NAT/firewall functionality that one would use to protect or firewall
yourself.

Your IP address is a "real" internet IP, so you're connected directly to
the internet. Your ISP may still be blocking things, I suppose, but
it's not a NAT issue. You'll need to ask them.

Leo
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Comment from Brandon on 2007-03-10

2007-03-11T02:18:01Z

I need to know the config web login so i can port forward for p2p. I also went on my isp's webpage and there is a thing on there that says you have to pay$20 extra a month to have a static ip? Im used to dealing with cable n dsl but i just moved way out to the country and i have no other option. any help would be greatly appreciated. thanks

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A comment on: How do I know if I'm behind a NAT router?

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Comment from Brandon on 2007-03-10

2007-03-11T02:14:31Z

I have dialup and my ipconfig is showing that my ip address is 68.0. isnt that behind a nat router also?? i have dialup though with an internal old modem. i cant use p2p at all because i cant find the config web page to login to. Im pretty sure that i have to be behind a router. is this my isp's router or what?

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Comment from Steve on 2007-03-05

2007-03-06T06:25:00Z

The only one that comes up for me is Local Area Connection 3. It has the 192.168 IP, so that means I'm behind an NAT Router. I checked by going to whatismyip.com, and it showed a different IP Address.

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Comment from Gina on 2007-01-18

2007-01-18T12:41:42Z

Why is this happening and can I resolve this problem without having to reboot the router every time this occurs?

I would truly appreciate your help because it's driving me crazy!

Thank you,
Gina

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A comment on: How do I know if I'm behind a NAT router?

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