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Explain to me how ip addresses are created (i know using binary but thats about it)

By Eager4Answers Asked Oct 6 2009 7:55AM
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by Carwash on Oct 6, 2009 at 9:00 am Permalink

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I think the word 'created' is slightly confusing here. An IP address is simply a 32-bit number (from 0 to about 4.3 billion) taken from a pre-set range. Ranges of numbers are assigned to different service proviers or functions (such as private networks that aren't directly visible to the wider internet).

So how do you mean 'created'? Do you want to know who assigns the ranges of numbers? How to give a particular computer an ip address? Or something else?
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Avatar Carwash Oct, 06 2009 at 09:09 AM
Ah, in that case it depends on the type of computer. Easiest is just to tell the computer to 'use DHCP' or 'get an IP address automatically', in which case it will ask a service on your network for an address. At home this will be given by your router or cable/adsl box. If that doesn't work you need to either work out or be told which IP address to use - working it out is probably a full article in itself. Once you know it, though, in Windows you can go to the control panel, then network connections, and bring up the properties for that connection. On linux or similar, you'll want the "ifconfig" command. Those will let you tell the computer what IP address to use.
Avatar mrtoolman Oct, 13 2009 at 08:39 PM
That is correct, they are assigned not created. Your ISP most likely dynamically (automatically) assigns your WAN (Wide Area Network) IP via DHCP. If you have a router on your own network, you can dynamically assign a LAN (Local Area Network) IP through your router firmware, or statically (manually) assign a range of IP addresses through your router and then tell your PC through Network Connections which IP address you want to actually use in that range.
Avatar Eager4Answers Oct, 15 2009 at 05:42 AM
Great responses! and very helpful i am wanting to get into networking that is why i was asking about that because i am sure they would have you assign ip addresses to individual computers on a network.


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