Global policy for post-exhaustion IPv4 allocation mechanisms
6 May 2012
A new global policy has been ratified that guides IANA on making IPv4 allocations to RIRs smaller than /8, following the exhaustion of IANA's inventory of unallocated /8 address space.
https://www.icann.org/resources/pages/allocation-ipv4-post-exhaustion-2012-05-08-en