Re: IP Address Distribution

Hi Jaideep,

>Hi,
>   I'm not really sure what you are asking for.
>   Are you looking for geographic allocation of IP blocks ?

Yes, precisely and....

>   Or are you interested in finding the address space owned by each AS
>   in the Internet.

I need synthetic one.

>   The former is documented in the IANA -- to some extent.
>
>   For the latter -- it isn't too difficult to find out from the
>   route-views BGP table.
>   Of course, this data is going to be slightly off because of CIDR
>   aggregation -- but I've looked at this in the past -- and the
>   aggregation effect is minimal, and should not matter if you want to
>   generate synthetic distributions.

I have no problem with CIDR aggregation. In fact, I only need to use the 
addresses to know where to direct specific traffic and all the nitty-gritty 
details are not required since I do not wish to include end hosts, but just 
the network core.

>   From what I saw a while ago -- there is very little correlation
>   between AS degree and IP address space.

You reckon IP address space can be distributed randomly?

>regards,
>
>
>
>-jaideep
>
>
>On Thu, Dec 05, 2002 at 07:40:43PM +0000, Wu Min wrote:
> > Hi,
> >
> > Modelling the Internet topology has been very well investigated. How 
>about
> > the topology of IP address block distribution in the Internet? Does the
> > distribution follow the power laws as well?
> >
> > I am looking for such generator. Is there any?
> >
> > The following is what I intend to do. I need several massive, if 
>possible,
> > network topologies with IP address block distributions that have close
> > characteristic of the real Internet. The reason for the visibility of 
>the IP
> > addresses is that I am trying to analyze the traffic forwarding and 
>traffic
> > distribution pattern at every router.
> >
> > Thank you in advance.
> >
> > -Wumin


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