Here in BGOcloud.com You can use IPv6 (Internet Protocol version 6) address space for free with Shared Hosting, KVM and OpenVZ VPSes or with Dedicated Server.
For VPS instances it will be automatically set during the initial setup process.
For cPanel (Shared) Hosting You will need to open support ticket with request to assign IPv6 Address to your domain.
Facts about IPv6
Total IPv4 Addresses: 4,294,967,296
Total IPv6 Addresses: 340,282,366,920,938,463,463,374,607,431,770,000,000
IPv6 Addresses available for EVERY man on earth: 51,557,934,381,960,373,252,026,455,671
Where is IPv5?
Version 5 is reserved for the Internet Stream Protocol developed before IPv6 and it was never widely deployed and will not be used commercially.
Why IPv6 is the future?
The world is running out of IPv4 addresses. Transitioning to IPv6 enables the Internet to continue to grow and enables new, innovative services to be developed because more devices can connect to the Internet.