content: There are no more available from clearinghouses like ICANN and such, but now comes the real reason companies bought some when they really didn't even need them: reselling at a premium.  It won't take long, and you will see companies listing IPv4 address blocks on ebay or privately, for large sums of money, much more than what clearing houses were selling them for.  We need to move to IPv6 really fast to prevent companies from making any money on IPv4 addresses and doing some really stupid things.