nanog mailing list archives

Re: ASN to IP Mapping


From: Randy Bush <randy () psg com>
Date: Sun, 08 Mar 2015 11:39:57 +0900

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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