ASN to IP Mapping

Pedro Cavaca pmsac.nanog at gmail.com
Sat Mar 7 21:04:29 UTC 2015


I'm partial to IRR inverse queries on origin:
'whois -h whois.radb.net -- "-i origin AS<ASN goes here>" | grep route'

On 7 March 2015 at 20:58, Mansoor Nathani <mansoor.nathani at mnathani.com>
wrote:

> Perhaps look at http://bgp.he.net
>
> For instance: http://bgp.he.net/AS15169#_prefixes
>
> Mansoor
>
> On Sat, Mar 7, 2015 at 10:37 AM, Andrew Iwamoto <
> aiwamoto at unleashed-technologies.com> wrote:
>
> > Is there a tool or method to determine IP blocks assigned to an
> > organization by ASN?  I.e. if I have an organization's ASN number I want
> to
> > know all blocks assigned to that ASN.
> >
> > Thank you.
> >
> > Andrew Iwamoto
> > Unleashed Technologies
> >
> >
>


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