On my dedicated server and I have request from support IPv6 /48. For some reason they deliver to me IPv6 /64 like this IPv6 /64 2001.9d2.190.846v::2 Can I build /48 addresses from the IPv6 /64? Or I need to request IPv6 /48 block from support?
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force2200
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Possible duplicate of [How does IPv6 subnetting work and how does it differ from IPv4 subnetting?](https://serverfault.com/questions/426183/how-does-ipv6-subnetting-work-and-how-does-it-differ-from-ipv4-subnetting) – kasperd Apr 28 '17 at 23:17
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Can you please describe your situation more? You appear to be asking to sub-allocate a larger IPv6 block than you have. – Cory Knutson May 02 '17 at 16:18
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You can only use what the network admin has given to you. If it is unclear what you got (a while /64, or just a single address on a /64 subnet) or if you want more, then you should contact the network admin.
They are the authority on addresses on their network.
Sander Steffann
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