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[rpd] Report of the Soft Landing isuue

Noah noah at
Tue Apr 4 06:57:20 UTC 2017

On 4 Apr 2017 7:04 a.m., "Owen DeLong" <owen at> wrote:

On Apr 3, 2017, at 5:07 AM, Noah <noah at> wrote:


Andrew, i could say the same for a single /11 or 12 or /14 with a lot of
/24 each.

Call it a falicy, misleading or whatever, but my argument stands based on
the IPv4 FIB vs the IPv6 FIB as of today.

So as far as am concerned, I only see over 40k IPv6 prefixes and assuming
this are some /32 or /48, then only a handful of companies are announcing
their IPv6 prefixes out of over a billion networks on the internet.

There are multiple /32s, /24s, /28s, and lots in between. Many of those
represent thousands (or millions) of /48s. In fact, each /24 represents
16.7 million /48s.

Just because folk are announcing IPv6 prefixes to their upstream providers
doesnt mean most of them actually use it. Only client usecase stats can
show clear indications.  In the USA and Europe, its the telecoms that have
taken a step forward to enable IPv6 adoption to grow pretty fast as more
and more end-user clients are pretty much dual-stacked.

The Internet is still IPv4 unless more and more Telecoms upgrade their CGN.
And I know of so many networks out there that have IPv6 space but are
seated on it and not even announcing as they are confirtable with IPv4.

I’m not sure how more telecoms upgrading their CGN makes the internet less
IPv4, could you explain that one to me?

You earlier on gave an example of how so many million people in India are
behind double NAT obviously because there is no more IPv4 left yet they
find NAT to be a solution instead of deploying IPv6. I think only reliance
telecom in India offers some IPv6 compared to the other telecoms.

As to the last statement, so you keep claiming, but I know so many networks
out there that are using their IPv6 space and the traffic stats as recorded
by Google and Akamai provide a lot more support for that belief than your
(as yet unsubstantiated) claims that nobody is using IPv6.

I didnt claim that there is hadly no IPv6 traffic nor did I claim that
nobody uses it, because we use it. My point was that its not that much in
most parts as one would have expected with the depletion of IPv4 pretty

In North America and some part of Europe, yes there is positve indictions
of more adoption but the rest of the world its a different story for so
many different reasons.

With exception of North America/Europe, IPv6 adoption rates are still low
in other parts. In the AFRINIC region, we are now at phase 1 of depletion,
we want to restrict to promote adoption by those who already have space and
are not doing anything about it but want to rush to get more without proof
that clients from their networks are dual stack.

Bottomline, a new entrant wont dual-stack without IPv4 address space.

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