Nmap Development mailing list archives

Re: -iR and ip6


From: Jacek Wielemborek <d33tah () gmail com>
Date: Mon, 1 Feb 2016 12:31:12 +0100

W dniu 01.02.2016 o 08:46, Mike . pisze:
hello all


maybe a dumb ?? here, but why is -iR not supported for ipv6? can we
not randomly generate those ip pools the same as 4? i admit, i don't
mess with the prototcol alot so i may not know it's limitations, so
fill me in


Mike

"Clearly the Internet needs more IP addresses. How many more, exactly?
Well, how about 340 trillion trillion trillion (or,
340,000,000,000,000,000,000,000,000,000,000,000,000)? That's how many
addresses the Internet's new "piping," IPv6, can handle. That's a number
big enough to give everyone on Earth their own list of billions of IP
addresses. Big enough, in other words, to offer the Internet virtually
infinite room to grow, from now into the foreseeable future."

Source: https://www.google.com/intl/en/ipv6/#pipeline-II

In IPv6, it's normal for ISP clients to get whole large subnets of IPv6
address space for their own usage. Suppose you get /32, which gives you
4 billion addresses and you're quite likely only going to use a few of
them. Finding your subnet alone would be rather difficult to do randomly
and then one'd also need to find your host. That's way less likely to
happen than winning latest Powerball [1].

[1] https://en.wikipedia.org/wiki/Powerball

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