nanog: SixXS is shutting down

LHC (k9m) large.hadron.collider at
Thu Mar 23 18:35:05 UTC 2017

Many people still don't have native IPv6. Why must 6XS die?

On March 23, 2017 11:03:01 AM PDT, Pim van Pelt <pim at> wrote:
>Colleagues of nanog,
>In 1999, Jeroen and I started SixXS, a project which aimed to provide
>IPv6 connectivity to users who wanted to learn about the network
>protocol and gain experience operating IPv6 networks. Our vision was
>to facilitate migration to IPv6 in content and access providers.
>We were able to provide IPv6 to 50’000+ individual users and companies
>in 140+ countries, using servers hosted at 40+ Internet providers in
>30+ countries. We are incredibly proud of what we’ve accomplished
>together, and how many people have gotten to know all about IPv6 due
>to our combined efforts.
>We have completed a retrospective and rationale document, which
>details our experience developing and operating the SixXS tunnelbroker
>over the last 18 years. We have worked through our plans with the many
>dedicated ISPs that have been involved:
>We have reached out to users recently, giving them 6 weeks to make
>alternative plans. We have chosen a somewhat symbolic date of
>2017-06-06 to turn down the SixXS service. Our website will remain as
>a tombstone.
>Please feel free to pass this along to any group or list you feel
>would benefit from it, and reach out to <info at> or to myself
>directly <pim at> if you have thoughts you’d like to share
>between now and then.
>Kindest Regards,
>Pim van Pelt and Jeroen Massar (SixXS founders)
>Pim van Pelt <pim at>

Sent from my Android device with K-9 Mail. Please excuse my brevity.

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