2006-01-10 2009-04-30 IETF Consensus Address prefixes listed in the Special Purpose Address Registry are not guaranteed routability in any particular local or global context. Other special IPv6 addresses requiring specific considerations for global routing are listed in . 2001:0000::/32 TEREDO 2006-01-10 Anycast Scoped 2001:0002::/48 BMWG 2008-04-08 never Benchmarking See RFC and Errata Not Routed 2001:10::/28 ORCHID 2007-03-21 2014-03-21 Overlay See RFC Not Routed