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IPv6 Info Center

Internet Protocol version 6 (IPv6) is the latest revision of the Internet Protocol (IP), and was developed in response to the inevitability of IPv4 address exhaustion. With available IPv4 address space becoming scarce, ARIN strongly encourages you to deploy IPv6 on your networks and equipment, so that they can remain visible to the entirety of the Internet. 

ipv4 vs ipv6

To help organizations along the path to IPv6 adoption, ARIN has a number of resources available, dependent on your needs.