<P> APNIC was the first RIR to restrict allocations to 1024 addresses for each member, as its pool reached critical levels of one / 8 block on 14 April 2011 . The APNIC RIR is responsible for address allocation in the area of fastest Internet expansion, including the emerging markets of China and India . </P> <P> RIPE NCC, the regional Internet registry for Europe, was the second RIR to deplete its address pool on 14 September 2012 . </P> <P> On 10 June 2014, LACNIC, the regional Internet registry for Latin America and the Caribbean, was the third RIR to deplete its address pool . </P> <P> ARIN was exhausted on 24 September 2015 . ARIN has been unable to allocate large requests since July 2015, but smaller requests were still being met . After IANA exhaustion, IPv4 address space requests became subject to additional restrictions at ARIN, and became even more restrictive after reaching the last / 8 in April 2014 . </P>

Short term solution to ipv4 address exhaustion problem