Survey on IPv4 Scarcity, IPv6 Adoption, Carrier-Grade NAT Deployment

Philipp Richter prichter at
Thu Dec 17 16:20:06 UTC 2015

Dear NANOG readers,

thank you very much for your participation in this survey. We already
received more than 60 replies from ISPs all over the world.

If you work for an ISP and didn't answer yet, we would greatly
appreciate your response.

Link to the survey:

(approx. 5 minutes, all questions explicitly optional)

thank you!

On 08/12/15 00:22, Philipp Richter wrote:
> Dear NANOG readers,
> we are a team of researchers from ICSI Berkeley, TU Berlin, TU Munich,
> Internet Initiative Japan and UC Berkeley jointly working on a project
> to assess the effects of IPv4 address exhaustion.
> As part of our research, we conduct a survey among network operators.
> The goal of this survey is to better understand the degree of IPv4
> scarcity that ISPs face and which measures are taken to combat it (IPv4
> Carrier-Grade NAT deployment, IPv4 address markets, and IPv6 transition
> mechanisms).
> If you work for an ISP that connects end-users to the Internet, we would
> greatly appreciate your response.
> To participate, please visit
> (answering should take about 5 minutes, all questions are explicitly
> optional).
> We will make anonymized results of this survey available to the public
> in early 2016.
> Thank you very much for your support!
> If you have questions or concerns, please feel free to contact me
> directly at prichter AT icsi DOT berkeley DOT edu.
> --
> Philipp Richter
> Research Assistant / PhD Student
> TU Berlin / ICSI

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