ASN to IP Mapping

Randy Bush randy at psg.com
Sun Mar 8 02:39:57 UTC 2015


> If you want to know the registry assignments / allocations made to a
> single entity and be able group together these assignments of address
> prefixes and ASNs you should retrieve the combined extended stats file
> from the RIRs
> (https://www.nro.net/wp-content/uploads/apnic-uploads/delegated-extended)
> and group together all those entries with a common value in column 8
> (except for the entries corresponding to assignments and allocations
> made by the RIPE NCC, where this information is, unfortunately, not
> published by them in such a convenient format.)

care to give a decode for the fields in that file?  :)

randy


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