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Moved house, New IP address


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#1
Tomddl

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I wasnt sure where to put this question, hope its ok here

I have recently moved house and moved my net conection with me.

I was wondering if this means that i will have a new ip address (that websites see) or will it be the same as my last one?

I've not moved far from my old house, not sure if that makes a difference.

cheeeeeeeers
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#2
diabillic

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Yes, the EXTERNAL ip will be different but your INTERNAL ip will be the same as long as you use the same equipment and dont change any settings :)

For example:

Internal IP (192.168.1.100) <- will not change
External IP (goto www.whatismyip.com) <- will change, assigned by your ISP

quick edit: forgot to mention, your external IP is the address the outside world (websites) will see.

Edited by Cilix, 11 June 2009 - 03:22 PM.

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#3
OpenOutcome

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How's it going Tomddl?

There are actually TWO types of IP addresses. I'll try to explain the best I can.. :)

The STATIC Ip address is assigned to your computer by your internet service provider. This one is permanent. Not sure if the moving affected anything, but if you're close to the old home, and haven't switched ISP's, that Ip address should be the same.

The DYNAMIC Ip address is not permanent. Even if you don't move at all - that one will change. Varies to when it changes - could be tomorrow, could be a month - possibly a year. Basically, there aren't enough Ip adresses to go around :)
To get around that problem, ISP's temporarily assign an IP address to each computer from a pool of IP addresses.

Hope you understand my wording..
~Jason
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#4
Tomddl

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oh so do i have either a static OR a dynamic? like i cant have bot

is mine more likely to be a dynamic?
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#5
OpenOutcome

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No.. everyone has both.
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#6
Tomddl

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so which is the one that websites "see"
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#7
OpenOutcome

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Pretty sure they can see both. Lol.
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#8
Tomddl

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ok thanks for that!!
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#9
diabillic

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Well, a website cannot see your internal address since they are not on your internal network. Therefore they are viewing your external address :)
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#10
OpenOutcome

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Can't some websites block your internal address though? How would they be able to without knowing what it is..?
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#11
diabillic

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Block your internal address? I'm not sure what you mean by that. The last point of your LAN, the router, is the device acting as your DHCP server. Once packets reach it, it strips the internal IP of the packet and re-encapsulates it with the external address, which 99% of the time is using NAT. It then updates its routing table then sends out the packet to the CSU/DSU, which for a home user is their modem and then away it goes to its destination. The WAN destination never sees that internal IP since it is stripped out before it leaves the LAN.
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