Re: historical Bogon lists

[Lars Prehn <lprehn () inet tu-berlin de>]

>> which in this case showed a dozen or so copies

Yeah sorry, I should have said that I was only looking into the time 
frame 2017 till now.

>> I think it's possible that the bogin list just doesn't change that 
frequently.

I think I aggree that it is unlikely to change frequently, however, 
there is not a single snapshot in archive.org for 2018.

Best regards,
Lars

Am 15.12.18 um 17:38 schrieb Mel Beckman:
> My understanding is that the calendar, which in this case showed a dozen or so copies, lists only crawled instances that had 
> changed since The previous crawl. Well it certainly true that time elapses between each crawl, so it's possible that 
> some changes could be missed, my understanding is that the Internet the scroll frequently enough that changes would be 
> detected at least every month or so.
>
> I think it's possible that the bogin list just doesn't change that frequently.
>
> -mel via cell
>
> > On Dec 15, 2018, at 1:30 AM, Lars Prehn <lprehn () inet tu-berlin de> wrote:
> >
> > Hi Mel,
> >
> > I already checked Archive.org - it holds two previous copies.
> >
> > > > lets you download each version of the list that archive.org noticed changed
> > According to Archive.org's own Note this seems to be inaccurate:
> > This calendar view maps the number of times https://www.cidr-report.org/bogons/freespace-dec.txt was crawled by the 
> > Wayback Machine, not how many times the site was actually updated.
> >
> > , or am I missing something?
> >
> > Best regards,
> > Lars
> >
> > > Am 15.12.18 um 09:47 schrieb Mel Beckman:
> > > Lars,
> > >
> > > Archive.org has snapshots going back several year. Just feed in the URL you posted, ad you’ll get a history that lets 
> > > you download each version of the list that archive.org noticed changed. In my experience, that is pretty comprehensive.
> > >
> > >   -mel beckman
> > >
> > > > On Dec 15, 2018, at 12:31 AM, Lars Prehn <lprehn () inet tu-berlin de> wrote:
> > > >
> > > > Hi everyone,
> > > >
> > > > In order to sanitize historical BGP data I would like to use historical Bogon lists. The CIDR report generates those lists 
> > > > on a daily basis (e.g. https://www.cidr-report.org/bogons/freespace-dec.txt for prefixes) but, as far as I know, it does not 
> > > > keep a history of those files - it only holds the most up-to-date file. Does anybody know of a repository that contains such 
> > > > bogon lists for historical data, or, did anybody continiously fecthed and saved CIDR report's bogon lists?
> > > >
> > > > Best regards,
> > > >
> > > > Lars