IRRs [was Re: OPS: BGP spew from ASN 7374]

Kevin Oberman oberman at
Thu Apr 8 14:26:28 UTC 1999

> Date: Thu, 8 Apr 1999 17:30:59 +0400 (MSD)
> From: "Alex P. Rudnev" <alex at>
> Sender: owner-nanog at
> Btw, RADB and RIPE problem is the fact this data bases was not designed 
> to build such lists. Try to extract PREFIX list for AS-DEMOS macro from 
> RIPE - it take you about 30 - 40 minutes and you should doing all 
> recursions yourself. Then try to build complex filter.

I guess you have not used the RAToolSet from ISI/Merit. I just
extracted the list of prefixes for AS-DEMOS and it took less than 10
seconds using peval. I piped this into a simple Perl script to convert 
it into an access list and had the list ready to load in under 15

Or am I totally missing something here?

R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at			Phone: +1 510 486-8634

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