[AfrIPv6-Discuss] Need of help for scaning ipv6 block

[Carlos Marcelo Martinez Cagnazzo]

There are different heuristics that you can apply to reduce the size of the search space. See Fernando Gont's work on the issue.


However, there is no way to brute force scan even a single /64 in a reasonable amount of time.


Here at LACNIC we've searching for open resolvers in IPv6, see https://labs.lacnic.net/Identificando-servidores-DNS-IPv6-Open-Resolvers/ (in Spanish , Google translate is your friend)


Let me know if you have any questions about this work.


Carlos


via Newton Mail [https://cloudmagic.com/k/d/mailapp?ct=pa&cv=10.0.25&pv=9&source=email_footer_2] On Sun, Nov 03, 2019 at 12:15pm, Malick K. ALASSANE < alkomalick at gmail.com [alkomalick at gmail.com] > wrote:
My objective for this study is to detect open DNS resolvers in the AFRINIC IP space.

Le dim. 3 nov. 2019, à 16 h 05, JORDI PALET MARTINEZ via AfrIPv6-Discuss < afripv6-discuss at afrinic.net [afripv6-discuss at afrinic.net] > a écrit :
Hi Malick,



That’s somehow, one of the “advantages” of IPv6, that make it much more difficult.



If the operators and end-users are doing a good work, they will not be assigning neither contiguous prefixes, neither contiguous prefixes/LANs, neither contiguous hosts!



May be if you explain a bit more what you’re trying to achieve, we can give some ideas.



Regards,

Jordi

@jordipalet







El 3/11/19 15:57, "Malick K. ALASSANE" < alkomalick at gmail.com [alkomalick at gmail.com] > escribió:



Good morning, everyone!
I'm doing a study on afrinic's IP address blocks. I didn't have any constraints with ipv4 address blocks. The use of the zmap tool allowed me to do a quick scan on all available IPV4 addresses. Unfortunately, i don't know how to scan IPV6 blocks without taking a long time. Nmap, can help me, but it could take several years to finish. Zmap or Masscan don't support ipv6.

I would like to know if anyone has a solution to quickly scan ipv6 address blocks to identify ipv6 servers that offer a service.



Thanks for your help!

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