[arin-ppml] Change of Use and ARIN (was: Re: AFRINIC And The Stability Of The Internet Number Registry System)

hostmaster at uneedus.com hostmaster at uneedus.com
Mon Sep 13 13:35:03 EDT 2021

The MAJOR problem with the use of 240/4 is the hard coding of these 
addresses in Router and Workstation operating systems.  This is NOT an 
ARIN problem.

I understand it is just a flag and a recompile in Linux, but trying to get 
Cisco and Microsoft to go along with this idea is going to take a bit more 
effort than complaining about it on this list.

I see no reason to do that, as I have more IPv6 addresses than I can dream 

I have been running my home network off of ONE ipv4 address, as well as 
two /48s of IPv6.  I do not understand why IPv6 is so hated.  I also 
understand that Win10/11 does not like it all if you turn off the V6 
stack and throws random errors.

Albert Erdmann
Network Administrator
Paradise On Line Inc.

On Sun, 12 Sep 2021, Joe Maimon wrote:

> Owen DeLong wrote:
>> The refusal to deploy 240/4 are mostly on the basis that it would take just 
>> as much code effort to do that as it would to put v6 on a box, with the 
>> exception that most boxes already have a v6 stack, so actually more effort, 
>> yet yielding substantially less gain.
> Turns out that was wrong for the last 20 years. Time to shut that one down. 
> It was a stupid self fulfilling mantra from the getgo. As if it is the place 
> of the IETF to determine how engineers ought to spend their efforts. Their 
> role is to enable. Not throw up roadblocks. Same here.
> Also, your wording is misleading.
> More correctly, "the refusal to step out of the way of deployment of 240/4 
> (by those who may  have wished to do so)"
> Joe
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