Portal of the Transition to IPv6 for Latin America and Caribbean
http://lacnic.net/documentos/politicas/LAC-2007-01-2.0-propuesta-sp.pdf
http://lacnic.net/documentos/lacnicx/LAC-2007-06-sp.pdf
http://lacnic.net/documentos/politicas/LAC-2008-02-propuesta-sp.pdf
http://lacnic.net/documentos/politicas/LAC-2008-03-propuesta-sp.pdf
_____
Inverse resolution for IPv6 address is done in a new hierarchic named ipv6.arpa, using the same PTR registries as in IPv4. Previously, it was proposed to use the ip6.in structure, but currently this was substituted.
See Previous tips