[ipv6hackers] Finding v6 hosts by efficiently mapping ip6.arpa

[Ryan Rawdon]

On Mar 30, 2012, at 12:08 PM, bmanning at vacation.karoshi.com wrote:

> 
> something very similar to this was suggested to John Heidimann (USC/ISI) about a year ago 
> when he was looking at how to map IPv6 space.
> 
> /bill
> 
> On Wed, Mar 28, 2012 at 10:23:22PM +0200, Peter van Dijk wrote:
>> Hi folks,
>> 
>> in a discussion with a friend recently the thought occurred to me that due to how NOERROR and NXDOMAIN in DNS work, finding all existing reverses in an ip6.arpa reverse zone could be done very quickly.
>> 
>> I have written a blog post at http://7bits.nl/blog/2012/03/26/finding-v6-hosts-by-efficiently-mapping-ip6-arpa that explains the workings. Code at https://github.com/habbie/ip6-arpa-scan/
>> 
>> I was unable to find any existing references to this trick; if you do have any, please let me know!


https://github.com/lp0/ip6walk

I was playing with this last spring/summer, looks like it is roughly a year old. 


>> 
>> Kind regards,
>> Peter van Dijk
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