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North American Network Operators Group

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Re: scripts to map IP to AS?

  • From: David G. Andersen
  • Date: Thu Feb 20 10:09:47 2003

On Thu, Feb 20, 2003 at 08:09:31AM -0500, William Allen Simpson quacked:
> 
> Anybody have a pointer to scripts to map IP to AS? 
> 
> There are still 10K-20K hosts spewing M$SQL slammer/sapphire packets, 
> and I'd like to start blocking routing to those irresponsible AS's 
> that haven't blocked their miscreant customers.
> 
> http://isc.sans.org/port_details.html?port=1434

  You can use a quick perl wrapper around whois, or you
could use this terribly ugly hacked up traceroute-ng that I
wrote to do lookups:

  http://nms.lcs.mit.edu/software/ron/lookup_as.c

Compile with

   gcc -DSTANDALONE=1 lookup_as.c -o lookup_as -lm

And then run.  It gets the job done, but it's ugly. :)

  -Dave

-- 
work: dga@lcs.mit.edu                          me:  dga@pobox.com
      MIT Laboratory for Computer Science           http://www.angio.net/
      I do not accept unsolicited commercial email.  Do not spam me.




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