If a router has more than one computer behind it, and they all go to one website - does it look like it came from one computer?

Posted on 2004-10-04
Medium Priority
Last Modified: 2010-03-17
If a router has 5 computers behind it and they all go to one website - can the site tell its 5 computers behind a router, or does it look like one computer?

Like if 5 networked computers go on an online game together - does it look like one machine (IP), 5 machines behind a router (5 IPs that look like they come from behind a router) or does it look like 5 seperate machines like any other computer online.

Can someone give me a little better explanation of what exactly people see in the outside world from the inside of a LAN, it would be greatly appreciated

Question by:StaindSou11
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LVL 49

Expert Comment

ID: 12221433
Hi StaindSou11,

is there any specific purpose you want to solve here..

If you have a router most likely it should have NAT (network address translation).
Outside world will see only ONE IP , that is the IP assigned by your ISP.
They would have NO idea about your 5 networked computers or I should it would be difficult to predict or see how many computers you have behind a router.

LVL 49

Expert Comment

ID: 12221454
This is one reference I have looked at to know about NAT

Should be pretty straight forward to understand..


Author Comment

ID: 12221608
So each computer would get their own IP address?

Im curious because I will be doing something in a little while that will involve 5 computers accessing a personal site to make bids on and i was curious if its possible for the site to tell all of the computers are from one location or if they will look like 5 seperate computers

Does this help?

LVL 49

Accepted Solution

sunray_2003 earned 2000 total points
ID: 12221631
> So each computer would get their own IP address?

Yes that IP address would be given by the router something like ..

The site would figure that all the computers are coming from the same IP address ..

Check this.From  all the computers go to
http://whatismyip.com .

In all the computers, that website would give the same IP address and that IP is what your ISP has assigned

Author Comment

ID: 12221806
Thank you for your help :)

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