On Sat, 5 Oct 2019 at 19:07, Michel Py <michel@arneill-py.sacramento.ca.us> wrote:
Nick Hilliard wrote : The cost of making 240/4 usable is to update every device on the planet, including legacy ipv4 stacks.
Michel Py wrote : No it is not. It costs nothing to the Internet, it only costs to those who chose to use it as private address space. More FUD.
Gert Doering wrote : It's not "private address space" unless designated as such.
Wrong again. It's not public unless given to RIRs to allocate it. FUD++
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. See the various columns here https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-specia... Regards, Job