IANA supplies specifications on this issue. For IPv4, here is what they've got in their "Specific goal deal with registry". That means, for our applications, nearly anything in these handle blocks should not be assigned since they shouldn't be routable "publicly". Number945Number945 61711 gold badge55 silver badges99 bronze badges one https://rafaeltdijn.activablog.com/35846395/255-payday-loan-fundamentals-explained