[AusNOG] Less than 10% of IPv4 Addresses Remain Unallocated

[Mark Smith]

On Wed, 20 Jan 2010 20:47:30 +1000
Noel Butler <noel.butler at ausics.net> wrote:

> On Tue, 2010-01-19 at 23:16 -0800, Scott Howard wrote:
> 
> > Not that I disagree with what they are trying to achieve here, but the
> > math here is a bit iffy, depending on what you consider as
> > "available".
> > 
> > Personally I'd consider the "available" address to be 1/8 through
> > 223/8, probably excluding 127/8, and possibly even excluding the
> > various RFC1918 blocks.
> > 
> > At most that gives 223 /8's, probably closer to 221.
> > 
> > Based on
> > http://www.iana.org/assignments/ipv4-address-space/ipv4-address-space.xhtml, there are a total of 24 /8's still unallocated by IANA.  Even then it's a matter of who's perspective you look at - 1/8 and 27/8 are "allocated" from IANA's perspective, but I'm presuming they are completely unallocated from APNIC's perspective.
> > 
> > So IMHO we're not down to 10% yet, but of course to a certain extent
> > the difference between 10% and even 15% isn't that significant...
> > 
> 
> 
> Yep, and I still stand by at _LEAST_ 2015 before we seriously get close
> to looking like running out of ipv4, maybe longer than that.
> There's around 400 million IP's stilll up for grabs.
> 

Seen a router that can hold 400 million routes? I haven't, and I don't
think they'll be inventing one in the next 5 years.



> 
>