[address-policy-wg] IPv4 reserved space

Implementation detail: many operating systems hard-code that range as
invalid network space.  The effort to make it available would be _less_
than getting everyone else in the world upgraded to IPv6.



On 2016 Jun 11 (Sat) at 21:45:03 +0300 (+0300), NTX NOC wrote:
:Dear all,
:
:As we see ISPs and community would like to have more IPv4 space in use.
:
:I would like to ask a question what do people think about other side of
:IPv4 numeration space. Because we have in IPv4 a lot of addresses not in
:use at all but that space could be easy used.
:
:240.0.0.0/4	Reserved (former Class E network)	RFC 1700
:
:it's 16 */8 networks. More then 256 Millions of routable and never used
:IPv4. 185/8 network has about 6.4M free and total RIPE has about 15M
:free IPv4 and we all say 185/8  will be enough for 2-3 years and rest -
:for some more time. But 256 M Ipv4 space could be enough for years!
:
:Space reserved for future Use. But will the future come to us or not?
:
:https://en.wikipedia.org/wiki/IPv4
:https://tools.ietf.org/html/rfc1700
:
:Is far as I see routers could easy start to use that IP space. People
:spend a lot of time and money to get some IPs but not to ask IANA to
:allow use this space. Technically it's very easy to start use IPs from
:such ranges.
:
:What does community thinks about it?
:
:Yuri
:

-- 
Isn't it interesting that the same people who laugh at science fiction
listen to weather forecasts and economists?
		-- Kelvin Throop III