Address Block | Name RFC Allocation Date Termination Date Source Destination Forwardable Globally Reachable Reserved-by-Protocol
::1/128 | Loopback Address [RFC4291] 2006-02 N/A False False False False True
::/128 | Unspecified Address [RFC4291] 2006-02 N/A True False False False True
::ffff:0:0/96 | IPv4-mapped Address [RFC4291] 2006-02 N/A False False False False True
64:ff9b::/96 | IPv4-IPv6 Translat. [RFC6052] 2010-10 N/A True True True True False
64:ff9b:1::/48 | IPv4-IPv6 Translat. [RFC8215] 2017-06 N/A True True True False False
100::/64 | Discard-Only Address Block [RFC6666] 2012-06 N/A True True True False False
2001::/23 | IETF Protocol Assignments [RFC2928] 2000-09 N/A False [1] False [1] False [1] False [1] False
2001::/32 | TEREDO | [RFC4380] [RFC8190] 2006-01 N/A True True True N/A [2] False
2001:1::1/128 | Port Control Protocol Anycast | [RFC7723] 2015-10 N/A True True True True False
2001:1::2/128 | Traversal Using Relays around NAT Anycast | [RFC8155] 2017-02 N/A True True True True False
2001:2::/48 | Benchmarking [RFC5180][RFC Errata 1752] 2008-04 N/A True True True False False
2001:3::/32 | AMT [RFC7450] 2014-12 N/A True True True True False
2001:4:112::/48 | AS112-v6 [RFC7535] 2014-12 N/A True True True True False
2001:10::/28 | Deprecated (previously ORCHID) [RFC4843] 2007-03 2014-03
2001:20::/28 | ORCHIDv2 [RFC7343] 2014-07 N/A True True True True False
2001:db8::/32 | Documentation [RFC3849] 2004-07 N/A False False False False False
2002::/16 [3] | 6to4 [RFC3056] 2001-02 N/A True True True N/A [3] False
2620:4f:8000::/48 | Direct Delegation AS112 Service [RFC7534] 2011-05 N/A True True True True False
fc00::/7 | Unique-Local [RFC4193] [RFC8190] 2005-10 N/A True True True False [4] False
fe80::/10 | Link-Local Unicast [RFC4291] 2006-02 N/A True True False False True