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how do you change your IP number?

Cainkane1 said:
I've head this is possible. How is it done?r
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It's normally allocated by your internet service provider. If you want to appear to be using another one, you could look at signing up for a VPN (virtual private network) account or use an anonymizer like Tor.
 
That depends on what you're trying to accomplish.

You can change your home address to anything you want. Just don't expect the post office to send mail for that address to your house. They expect zip codes and cities and states to be in certain places.

Likewise, you can change your IP to what you want, but traffic from the internet to that IP isn't likely to reach your machine.

Options:
*) Use a different service provider
*) Turn your modem/DSL/cable box off for a few hours. Sometimes when you turn it on, you'll get a (slightly) different IP address.
*) Route your traffic through a VPN or browse through an anonymizer. In this case your IP stays the same, but everyone (except your VPN/anonymizer) is seeing the address of another location.
 
What to change | How to change | Why to change
Localhost IP address on your computer | Assuming this is even possible, it should never be done. | There is no good reason to change this number. Assuming that this is even possible.
IP address configured locally on you computer | Change the local configuration. Exact procedure varies by operating system. | You think some other address looks prettier/is easier to type/was told to you by Sam, your neighbor's dog; and you don't mind updating the records of all your other computers so that they can still find this one at its new address.
IP address assigned to your computer on your internal network by DNS | DNS and BIND, 5th Edition - O'Reilly Media . Other procedures vary by make and model of DNS service. | You think some other address looks prettier/is easier to type/was told to you by Sam, your neighbor's dog.
IP address assigned to your computer on your internal network by some non-DNS service. | God help you. | You think some other address looks prettier/is easier to type/was told to you by Sam, your neighbor's dog.
IP addresss assigned to your computer on your external network | Unless you own your external network, you can't change this. It's set by your ISP, your employer, etc. | So that the computers you are connecting to think you are a different computer/on a different external network. Too bad you can't do this.
IP addresss presented to other computers on external networks that you are connecting to. | See upthread for pointers on how to "anonymize" your computer address on the Internet. | So that the computers you are connecting to think you are a different computer/on a different external network. Note that some external computer always has to know the real external address of your computer, if only to provide you the service of changing it before connecting you to other computers.
 
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You want a simple serious answer? This is it.
1. Make a note of what your IP address is.
2. Turn off your modem. Make a note of the time of doing this.
3. Wait at least 10 minutes. Then turn your modem back on.
4. Check your IP address again. It should be different.

Optional extra. Delete your cache and cookies as well. That way sites do not know it is you.


NB. A few people do have fixed IP addresses. They would normally know this and the above will not work.
 
rjh01 said:
You want a simple serious answer? This is it.
1. Make a note of what your IP address is.
2. Turn off your modem. Make a note of the time of doing this.
3. Wait at least 10 minutes. Then turn your modem back on.
4. Check your IP address again. It should be different.

Optional extra. Delete your cache and cookies as well. That way sites do not know it is you.
Click to expand...

You're assuming a) that's the address he wants to change, and b) his ISP is not using sticky DHCP assignments with TTLs longer than 10 minutes.

The truth is, without knowing exactly what Cainkane1 wants to do, there is no serious answer, and possibly no simple answer.
 
theprestige said:
You're assuming a) that's the address he wants to change, and b) his ISP is not using sticky DHCP assignments with TTLs longer than 10 minutes.

The truth is, without knowing exactly what Cainkane1 wants to do, there is no serious answer, and possibly no simple answer.
Click to expand...

If a is true then he can ignore my post. If b is true then he can leave his modem off overnight. IP addresses are in short supply. An ISP would reuse an unused IP address in a short time. Yes that might be more than 10 minutes. But it is not likely to be more than a few hours.
 
rjh01 said:
You want a simple serious answer? This is it.
1. Make a note of what your IP address is.
2. Turn off your modem. Make a note of the time of doing this.
3. Wait at least 10 minutes. Then turn your modem back on.
4. Check your IP address again. It should be different.
Click to expand...
Thats how it works for me. For several years with earthlink and the past year with AT&T. And, its more like 5 minutes or less for me. Sometimes as quickly as it takes the DSL modem to recycle.

Still need to use the VPN for some content, or course.
 
To the OP:

If you have a fixed IP you can just call up your ISP and ask them to please change your IP.

If you have not had them change it repeatedly or otherwise been a nuisance to them they should be happy to help you out.

If they ask you a reason, just tell them you think you are having an identity theft problem.

Or you can change it the fake way like post #4 suggests, but that will take up some resources.

To theprestige:

Yes there are various types of IP. Yet when the general public talks about "an IP" they are talking about just one type 99 percent of the time. (I'm pretty sure you know this are just showing off. :D)
 
theprestige said:
You're assuming a) that's the address he wants to change, and b) his ISP is not using sticky DHCP assignments with TTLs longer than 10 minutes.

The truth is, without knowing exactly what Cainkane1 wants to do, there is no serious answer, and possibly no simple answer.
Click to expand...

nit:
DHCP lease time, part of the DHCPOffer. Time-to-live (TTL) is part of the IP stack and determines how many hops a packet can take.
/nit

BTW - that table was great :)
 
I just wonder why the OP has not come back to clarify the situation. He has made three posts since the post 14 in this thread. Maybe the question has been answered.
 
rjh01 said:
I just wonder why the OP has not come back to clarify the situation. He has made three posts since the post 14 in this thread. Maybe the question has been answered.
Click to expand...

Maybe he found a way to change his IP address but now he can't get back on to the Internet to read the instructions on how to change it back...
 
jeremyp said:
Maybe he found a way to change his IP address but now he can't get back on to the Internet to read the instructions on how to change it back...
Click to expand...

My cable ISP serves up to three devices attached to the modem with a separate DNS supplied IP to each but all on their subnet.

Normally. I just have one device, a nat router, that serves all the other devices in my household. I'm kicking around running a second router through a vlan for guest access that can easily be enabled when needed but isn't attached to the house net.
 
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