IPv4s exhaustion June 2015. IPv4 in large numbers will not be available for enterprise companies through ARIN. If a company acts now it may be able to mitigate a long term problem that can hamper growth and profits. Tom Millitzer has outlined the real world, what it could look like, and although it is in comedic form Millitzer Capital is not fooling. No one has brokered IPv4s longer than Millitzer Capital.