> The way many providers use the IRR info is to take the adjacent ASN and do > a reverse index lookup on the origin field. > That is, for AS1234, what are all the route and route6 objects with that as > an origin. > If you need something more complicated, you can use an aut-num object to > say that an as-set, route-set or combinations of these ought to be folded > in when creating the filters.
fwiw, i build filters by running peval() over their as-set randy
