Four /8s were just allocated from the central, IANA IPv4 pool. (5 and 37 to the European registrar, and 23 and 100 to the North American registrar). Less than 3% of the IPv4 address pool remains.

The central IPv4 pool will be gone before the snow melts here in central Pennsylvania. Its likely that the Asia-Pacific registrar will get another large allocation early next year, and that will be the end of it. Please, start deploying IPv6 now if you haven’t already.

Source: http://www.personal.psu.edu/dvm105/blogs/ipv6/2010/11/four-more-gone.html