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
