On Wed, Apr 24, 2013 at 12:55 PM, Lee Howard <l...@asgard.org> wrote: > > > On 4/24/13 10:18 AM, "Andrew Latham" <lath...@gmail.com> wrote: > >>* Tore >> >>On Wed, Apr 24, 2013 at 1:46 AM, Tore Anderson <t...@fud.no> wrote: >>> * Andrew Latham >>> >>>> I have sadly witnessed a growing number of businesses with /24s >>>> moving to colocation/aws networks and not giving up their unused >>>> network space. I assume this will come into play soon. >>> >>> A couple of /24s being returned wouldn't make a significant difference >>> when it comes to IPv4 depletion. Heck, not even a couple of /8s would. >>> Trying to reclaim and redistribute unused space would be a tremendous >>> waste of effort. >> >>If I can walk around a smallish town and point at 5 businesses like >>this its a possible solution. I am not claiming a few /24s will do, I >>am claiming that there are many (for larger values of many) companies >>like this. > > Look at NRO statistics prior to APNIC and RIPE final /8 (runout). It's > pretty linear growth. Is that the real demand for IPv4 addresses? In the > last couple of years it was 10-15 /8 equivalents. > > How many addresses do you think can be released (whether reclaimed or, as > is more likely, brought into the market)? A /8? Five /8s? Say it's a > billion addresses made available to a market. That only feeds demand for > 18-30 months. > > A demand curve would show that as prices increase, there is demand for > fewer IPv4 addresses. However, nobody knows the slope of the curve (other > than my speculation about cost of IPv6 and TCO of CGN as points where the > demand shifts). A supply curve would show that as prices increase, more > addresses become available (transfers, renumbering, eventually > substitution). I'm working on ideas about that slope. > > Lee
Lee Totally agree, your point is the larger issue at hand, just pointing out and ugly issue that I witnessed recently. Corporate networks and ASNs totally off and not in use. But don't worry, they will use them if someone tries to take them away. -- ~ Andrew "lathama" Latham lath...@gmail.com http://lathama.net ~
