[AusNOG] Less than 10% of IPv4 Addresses Remain Unallocated
scott at doc.net.au
Wed Jan 20 18:16:54 EST 2010
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
At most that gives 223 /8's, probably closer to 221.
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
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...
On Tue, Jan 19, 2010 at 11:10 PM, Elly Tawhai <elly at apnic.net> wrote:
> Less than 10% of IPv4 Addresses Remain Unallocated, says Number Resource
> Hi AUSNOG Community,
> Deploying IPv6 - the next generation of the Internet Protocol - is vital
> to the continued development of the Internet
> AMSTERDAM - The Number Resource Organization (NRO), the official
> representative of the five Regional Internet Registries (RIRs) that
> oversee the allocation of all Internet number resources, announced today
> that less than 10 percent of available IPv4 addresses remain
> unallocated. This small pool of existing IP addresses marks a critical
> moment in IPv4 address exhaustion, ultimately impacting the future
> network operations of all businesses and organizations around the globe.
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