<div>On Sat, 5 Oct 2019 at 19:07, Michel Py <<a href="mailto:michel@arneill-py.sacramento.ca.us">michel@arneill-py.sacramento.ca.us</a>> wrote:<br></div><div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">>>> Nick Hilliard wrote :<br>
>>> The cost of making 240/4 usable is to update every device on the <br>
>>> planet, including legacy ipv4 stacks.<br>
<br>
>> Michel Py wrote :<br>
>> No it is not. It costs nothing to the Internet, it only costs to<br>
>> those who chose to use it as private address space. More FUD.<br>
<br>
> Gert Doering wrote :<br>
> It's not "private address space" unless designated as such.<br>
<br>
Wrong again. It's not public unless given to RIRs to allocate it.<br>
FUD++</blockquote><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto">I think what Gert means is that this space has not been designated by IETF/IANA for *any* purpose yet. One way of looking at it is to acknowledge it is neither private nor public space at this moment in time.</div><div dir="auto"><br></div><div dir="auto">See the various columns hereĀ <div><a href="https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml">https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml</a></div><div dir="auto"><br></div></div><div dir="auto">Regards,</div><div dir="auto"><br></div><div dir="auto">Job</div></div></div>