IANA provides criteria on this issue. For IPv4, Here's what they have within their "Distinctive objective handle registry". Which means, for our functions, nearly anything in these address blocks should not be assigned mainly because they should not be routable "publicly". I feel that addresses starting with these IPs are https://4000-cash90012.blogsidea.com/43171483/255-payday-loan-no-further-a-mystery