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

bmanning at vacation.karoshi.com bmanning at vacation.karoshi.com
Fri Mar 30 18:08:11 CEST 2012

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.


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!
> Kind regards,
> Peter van Dijk
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