My definition for ipv4 adresses exhaustion is: IANA and RIR's have no more unallocated blocks, so everything is left to the free market. If its consequences wil

My definition for ipv4 adresses exhaustion is: IANA and RIR's have no more unallocated blocks, so everything is left to the free market. If its consequences will be catastrophic or imperceptible is something I can't imagine. I would love to see Google's and Facebook's risk models for the next years, since they are those who could be more severely hit by this.