Global Unicast Address

This address has a global scope with the same purpose as IPv4 public address.

Link Local Address

This address has a local scope and cannot be used outside the link (i.e. network segment or broadcast address) and non routable. Normally has the following prefix:

FE80::/10

Loopback Address

This address corresponds to the software loopback interface of the network card and doesn't necessarily requires hardware associated with it. Normally has the following address:

::1/128

Unspecified Address

This address indicates an absence of address. This is represented by the following:

::/128

Unique Local Address

This is analogous to IPv4 private networking and has the following range:

FC00::/7
FD00::/8