>> wouldn't just iterating over the ASNs in an AS-SET and doing "whois >> $asn -i origin", greping for route:/route6: and doing some field >> cutting get you enough to make a meaningful start? > man peval oh. and you forgot that you need to do the transitive closure of the as-set. i.e. the customer asns of the asns in the as-set and so on down the tree. man peval randy