The Long Slow Death of IPv4 8 Luglio 2015 di admin In February of 2011, there was an official ceremony in Miami that was supposed to mark the end of IPv4. At that time, ARIN and others declared that the free pool of available IPv4 addresses were officially depleted. Yet here we are four and half years later and IPv4 is very much alive and ARIN is still warning about the final days and lack of IPv4 availability.