The last of the ipv4 ip address where handed out today Read -
http://news.cnet.com/8301-30685_3-20030482-264.html
Once the ip4 addresses are all issued our socket programs will no longer work.
They expect all of the ipv4 addresses to be issued within the next 6 months.
If you have a need for socket programming you will need ipv6 protocol.
We need an ipv6 interface.
Thanks Mike