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IPv6 – 340 Trillion Trillion Trillion Addresses

Vint Cerf, Chief Internet Evangelist at Google, and a founding father of the Internet, discusses the next version of the Internet, IPv6, and why we need it.

Its time! Say Hello to IPv6 ..

  • The most anticipated Announcement

At a ceremony held on February 3, 2011 The Number Resource Organization (NRO) announced that the free pool of available IPv4 addresses is now fully depleted. The Internet Assigned Numbers authority (IANA) allocated the remaining last five /8s of IPv4 address space to the Regional Internet Registries (RIRs) in accordance with the Global Policy for the Allocation of the Remaining IPv4 Address Space. This means that there are no longer any IPv4 addresses available for allocation from the IANA to the five RIRs.

“This is an historic day in the history of the Internet, and one we have been anticipating for quite some time,” states Raúl Echeberría, Chairman of the Number Resource Organization (NRO), the official representative of the five RIRs. “The future of the Internet is in IPv6. All Internet stakeholders must now take definitive action to deploy IPv6.” He added, “It’s only a matter of time before the RIRs and Internet Service Providers (ISPs) must start denying requests for IPv4 address space. Deploying IPv6 is now a requirement, not an option”

  • Elise Gerich – Vice President of IANA

IPv6 is the “next generation” of the Internet Protocol, providing a hugely expanded address space and allowing the Internet to grow into the future. “Billions of people world wide use the Internet for everything from sending tweets to paying bills. The transition to IPv6 from IPv4 represents an opportunity for even more innovative applications without the fear of running out of essential Internet IP addresses,”

Adoption of IPv6 is now very vital for all Internet stakeholders. The RIRs have been working with network operators at the local, regional, and global level for more than a decade to offer training and advice on IPv6 adoption and ensure that everyone is prepared for the exhaustion of IPv4.

  • World IPv6 Day

Facebook, Google and Yahoo websites with more than one billion combined visits each day, are joining major content delivery networks Akamai, Limelight Networks and the Internet Society for the first global-scale trial of the new Internet Protocol, IPv6. On June 8, 2011, dubbed World IPv6 Day, participants will enable IPv6 on their main services for 24 hours.  Cisco, Juniper, Hurricane Electric, and Bing have also announced their participation.

For details visit –


The Five Regional Internet Registries (RIR’s) are:

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