IPv6 Cogent vs Hurricane Electric

Matthew Petach mpetach at netflight.com
Fri Dec 4 02:42:59 UTC 2015

On Thu, Dec 3, 2015 at 6:02 PM, Jared Mauch <jared at puck.nether.net> wrote:
> Looking at the most recent IPv6 data available at CAIDA you can see the customer cone size:
> http://as-rank.caida.org/?data-selected-id=15
> Be careful as the tool seems fragile when switching from the 2014-09-01 IPv6 dataset and trying to sort by options, it seems to switch back to IPv4 silently.
> Prefixes and/or AS’es in customer cone are likely the best measure, but even there Cogent is 2x HE.net.  The only place where he.net leads is the transit degree with is likely distorted because of what you mention above, full tables, etc.
> I find this data interesting and wish there was something more recent than 2014-09-01 to test with.  Perhaps I could do something with all these atlas credits I have.  (or someone could use them for me).
> - Jared

Note their analysis is horribly flawed,
as it suffers from a 32-bit limitation
for counting IPv6 addresses.

I'd love to see them fix their code
and then re-run the analysis.


More information about the NANOG mailing list