IPv6: Are you ready? Posted on September 7, 2010 by Jennifer Kavur 07 Sep 2010, ComputerWorld Canada There’s no ifs, ands or buts about it – IPv4 addresses are going to run out in the next year and end users will feel the effects in 24 to 36 months, says CIRA’s CEO. What governments, enterprises and end users can do to speed up the move to IPv6.