We're Running Iut of IPv4 Addresses. Time For IPv6. Really

arstechnica.com — A little over a year ago, I wrote an article about the IPv4 address consumption with the subtitle IPv4 Address Space: 2.46 Billion Down, 1.25 Billion to Go. A week ago, we reached the magic number of 2.7 billion IPv4 addresses used. With 3.7 billion possible addresses,¹ this means we now have less than a billion unused IPv4 addresses left. Aug 17, 2008 View in Crawl 4