can i change my ip address?

I swear ive seen a prog that will change your ip address but i didnt download it. Now i cant find it and im wondering if it even existed. So my question is can i change my ip address?, is there a prog to do so?
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OttaConnect With a Mentor Commented:
> can I change my ip address?

Yes, but if you send IP-packets to some remote host, and those IP-packets contain the "changed" IP-address, that remote host will *NOT* route the "answer" IP-packets back to your computer.  So, it (mostly) makes this capability into a "useless" feature.

> is there a prog to do so?

go to start then run and type winipcfg
You can fake your ip but you cant really change it without paying your server for a dynamic ip address (note, this applies only if you have a 24/7 connection such as cable or dsl). If you have a dial in connection, your ip changes everytime you dial in [ to a certain extent]. You can, however, download a program to fake your ip or mask it. You can also run through a proxy and mask your ip.

If you want some more information about proxies or such drop me a line at
Hope this helps.

-- The Never
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Lee W, MVPTechnology and Business Process AdvisorCommented:
why are you trying to change it.
Well if you do have a cable modem or DSL this should be what you want:

Start - Settings - Control panel - Network - double click on the protocol you use to connect (If my area supported cable or DSL I would know)
Then insert the new address.

Since this would only work with a cable modem or DSL your other settings should be set up.
> ... Then insert the new address.

This can be done, but it won't have the effect you want.

All IP-packets that you "send" will contain the new IP-address, but when "answer" IP-packets are sent to that IP-address, your ISP will not deliver those IP-packets to your computer -- because the ISP will only deliver IP-packets which contain the "old" IP-address to you.

Compare it to switching apartments in the same building.
You can make a telephone-call, but when somebody tries to telephone you, the telephone in your "old" location will ring, and you won't be able to hear/answer it.

So, _WHY_ do you want to change IP-address?
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