[arin-discuss] IPv6 as justification for IPv4?

[Lee Howard]

>________________________________
> From: Jawaid Bazyar <Jawaid.Bazyar at forethought.net>
>To: arin-discuss at arin.net 
>Sent: Monday, April 15, 2013 3:07 PM
>Subject: Re: [arin-discuss] IPv6 as justification for IPv4?
> 
>
>Still, it's a fact that the big players are hoarding immense, unused 
>IPv4 space, which is why none of them care about IPv6.
>
>

Please provide supporting documentation.

While you do, I'll point to http://www.worldipv6launch.org/measurements/ which lists the largest IPv6 networks in the world.  AT&T is right at the top, and Comcast, is #6.  Time Warner Cable lags at #13.  They are ranked by how many users hit major IPv6 websites (Google, Yahoo, etc.), but the percentage of IPv6/IPv6 is given.  The percentages are low: all report that their actual deployments are 2-3X higher than what is shown; suspect Happy Eyeballs.

The correlation would seem to be that those with the largest IPv4 address assignments have the largest IPv6 deployments.  If you look for who is leading industry IPv6 efforts, some of the same names keep coming up.

Google reports that 1.30% of the world reaches them over IPv6 http://www.google.com/ipv6/statistics.html
Cisco shows 2.43% of users running IPv6  http://6lab.cisco.com/stats/index.php
Good benchmarks to keep up with.

Lee
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