IPv6

 IPv6 Address Scopes

::/128

unspecified address

::1/128

localhost

fe80::/10

link local scope

fec0::/10

site local scope, intended as RFC 1918 successor, deprecated in RFC 3879

fc00::/7

unique local unicast scope, RFC 4193, divided into:

fc00::/8

centrally assigned by unknown (see http://bit.ly/IETFfc00), routed within a site

fd00::/8

free for all, global ID must be generated randomly, routed within a site

ff00::/8

multicast scope, after the prefix ff there are 4 bits for flags (0RPT) and 4 bits for the scope

::/96

IPv4-compatible IPv6 address, example: ::192.168.1.2, deprecated with RFC 4291

::ffff:0:0/96

IPv4-mapped IPv6 address, example: ::ffff:192.168.2.1, see RFC 4038

2000::/3

global unicast scope, divided into:

2001::/16

/32 subnets assigned to providers, they assign /48, /56 or /64 to the customer

2001::/32

Global Teredo IPv6 Service Prefix.

2001:db8::/32

Reserved for use in documentation. See RFC 3849.

2001:678::/29

Provider Independent (PI) space and anycasting TLD nameservers (f.i. 2001:678:2::/48 for DENIC)

2002::/16

6to4 scope, 2002:c058:6301:: is the 6to4 public router anycast (deprecated with RFC 7526)

3ffe::/16

6Bone scope, returned to IANA with RFC 3701, you should not see these

64:ff9b::/96

prefix used for representing IPv4 addresses in the IPv6 address space, see RFC 6052