Re: Finding ASN from IP address

[Eric Anderson <anderson () cs uoregon edu>]

There's a paper on just this problem from SIGCOMM 2003:

http://www.acm.org/sigcomm/sigcomm2003/papers.html#p365-mao

On Thursday, Oct 9, 2003, at 09:49 US/Pacific, Avleen Vig wrote:

> I want to create a mapping of IP addresses to ASN, for a specific like
> of IP addresses. Eg:
>   1.2.3.4
>   12.34.56.78
>
> etc, gathered from my system logs.
>
> What is the best way of doing this?
>
> I thought about something along the lines of:
>   install routing software (zebra?)
>   pass software the IP's, get it to spit back a string from which I can
>     grab the ASN
>
> Two problems being I don't know which software to install that can do
> that, or where to get a copy of the current routing table, so that I 
> can
> feed that to the software.
>
> Suggestions appreciated.
>
> --
> Avleen Vig
> Systems Administrator
> Personal: www.silverwraith.com
> EFnet:    irc.mindspring.com