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)