[c-nsp] Which IP's belong to AS1234?

[Andrey 'sshd' Petrenko]

http://webtrace.info/asn?q=1234&submit=asn

2009/9/25 Ronan Mullally <ronan at iol.ie>

> Hi Andy,
>
> On Fri, 25 Sep 2009, Andy Saykao wrote:
>
> > This is why I needed to know what IP blocks belong to AS1234, so I could
> > find out how much traffic was actually coming from AS1234 on our
> > Internet link.
>
> Some (possibly all?) Whois servers can provide you with this information
> with:
>
>  whois -h whois.ripe.net -i origin AS1234
>
>  % Information related to '194.110.40.0/23AS1234'
>
>  route:        194.110.40.0/23
>  descr:        Imatran Voima Corporation
>  descr:        EUnet-FI aggregate
>  origin:       AS1234
>  mnt-by:       AS790-MNT
>  source:       RIPE # Filtered
>
>  % Information related to '194.110.44.0/23AS1234'
>
>  route:        194.110.44.0/23
>  descr:        Carelcomp Power
>  descr:        EUnet-FI aggregate
>  origin:       AS1234
>  mnt-by:       AS790-MNT
>  source:       RIPE # Filtered
>
>  % Information related to '193.110.32.0/21AS1234'
>
>  route:        193.110.32.0/21
>  descr:        Fortum
>  origin:       AS1234
>  mnt-by:       TE-ENERGY-NOC
>  source:       RIPE # Filtered
>
> (an inverse query looking for objects with an origin of AS1234).
>
> I don't know how definitive it is - I've queried several large AS and got
> nothing back.  It may be this functionality is only available in the RIPE
> whois server.  There's also no guarantee the results are going to be
> current or accurate.
>
>
> -Ronan
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     Andrey 'sshd' Petrenko
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