ip block history.

Joel Jaeggli joelja at bogus.com
Tue Sep 14 16:01:19 CDT 2010


assuming the whois data has been cleaned up the next resource to look at
is:

routeviews or ris table dumps to see where or if it was advertised in
the past, and from where.

google and rbl lists are also worth querying in that context.

joel

On 9/14/10 1:51 PM, Greg Whynott wrote:
> probably an odd question …
> 
> we have been assigned a few large blocks of IPs,  and while configuring BGP i got to wondering what these block's history might be.  who had them in the past,    etc..
> 
> 
> is there a publicly accessible db or similar which tracks that type of information,  or is that liability concern?
> 
> thanks!
> greg
> 
> 
> 
> 
> 





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