[AusNOG] IP range/prefix AS ownership tool

[Joshua D'Alton]

Thanks. show longer-prefixes seems to handle the origin bit, but would it
be right to assume the last hop which is the origin is probably also the
owner?

second, is there a way to only show bestpath in longer-prefixes, i can't
seem to find the proper command to do that (if there is one).



On Wed, Feb 13, 2013 at 6:21 PM, Peter Childs <PChilds at internode.com.au>wrote:

>   You might be able to extract something from
> http://dev.maxmind.com/geoip/downloadable#Binary_Databases-1
>
>  Somewhere you can access a GeoIPASNum.dat which in theory does some
> mapping of the sort
>
>
>   From: Joshua D'Alton <joshua at railgun.com.au>
> Date: Wednesday, 13 February 2013 5:40 PM
> To: Jarryd Sullivan <Jarryd.Sullivan at area9.com.au>
> Cc: "ausnog at lists.ausnog.net" <ausnog at lists.ausnog.net>
> Subject: Re: [AusNOG] IP range/prefix AS ownership tool
>
>   Thanks guys, Tom's suggestion is close, except I want to know owner AS
> not just originated.
>
>  So imagine http://bgp.he.net/AS20870#_prefixes  except that instead of
> it listing only the prefixes that belong to that AS, it lists all the
> announced prefixes in a range (89.0.0.0/8) and then a column with owner
> AS like asn.cymru.com does, and then a column with origin AS(s).
>
>  Perhaps such a tool doesn't exist and I just have to combine some
> things, just thought it'd be useful :)
>
> On Wed, Feb 13, 2013 at 5:55 PM, Jarryd Sullivan <
> Jarryd.Sullivan at area9.com.au> wrote:
>
>> Hey Joshua,
>>
>> Have a look at this and see if it helps:
>>
>> https://asn.cymru.com/
>>
>> Jarryd Sullivan
>>
>> From: ausnog-bounces at lists.ausnog.net [mailto:
>> ausnog-bounces at lists.ausnog.net] On Behalf Of Joshua D'Alton
>> Sent: Wednesday, 13 February 2013 4:07 PM
>> To: AusNOG at lists.ausnog.net
>> Subject: [AusNOG] IP range/prefix AS ownership tool
>>
>> Hey noggers,
>>
>> I'm wondering if anyone has a tool that will let you input a range, say
>> 89.0.0.0/8  and it will spit out every subnet with owner AS. I've looked
>> on robtex and such but doesn't seem to be anything quite right.
>>
>> I'd expect output to be something like:
>> 89.0.4.0/23  AS1234
>>
>> Cheers, anyone else hating this heat!
>> Josh
>>
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