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ipv6 address scopes

IPv6 Address Scope | Description
------------------ | -----------
            ::/128 | unspecified address
           ::1/128 | localhost
         fe80::/10 | link local
          fc00::/7 | unique local unicast (RFC 4193)
          ff00::/8 | multicast, following after the prefix ff there are
                   | 4 bits for flags and 4 bits for the scope
     ::ffff:0:0/96 | ipv4 to ipv6 address, eg: ::ffff:10.10.10.10 (RFC 4038)
          2000::/3 | global unicast
     2001::/16 /32 | subnets assigned to providers, they assign /48, /56 or
                   | /64 to the customer
     2001:db8::/32 | reserved for use in documentation
     2001:678::/29 | provider independent (PI) adresses and anycasting
                   | TLD nameservers
         2002::/16 | 6to4 scope, 2002:c058:6301:: is the 6to4 public
                   | router anycast

(RFC 4193, RFC 4038, RFC 3068)