[AusNOG] IPv4

Mark Andrews marka at isc.org
Tue Mar 5 09:44:59 EST 2013

In message <1362435579.7275.5.camel at tardis>, Noel Butler writes:
> On Mon, 2013-03-04 at 21:28 +0000, Bevan Slattery wrote:
> > It's a finite resource and we all need an incentive to change.  If you
> Why apply that to just ipv4, everything,  _including ipv6_   is a finite
> resource.
> All the ipv6 fanbois here today going  we will never run out blah blah
> blah should remember one thing (especially dishing out /64's to end
> users) ...  I'm sure that's exactly the same train of thought the ipv4
> guys had twenty years ago.

And you would be wrong.  The designers of IPv4 knew that 32 was not
enough for everyone on the planet to have a address when they
designed IPv4.  They have stated this.  They expected IPv4 to be

IPv6 address are not permanent assignments unlike early IPv4
assignments are.  They are leases and if you fail to pay your annual
registration fee the addresses are subject to re-asssignment.

All the RIRs have to do is actually re-assign addresses recovered
due to non payment of registration fees after taking reasonable
steps to ensure that a payment / invoice was not lost.  This is
something they should be doing now.  Having addresses be re-allocated
is a good thing as it sets the right expectations.

Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org

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