For IANA -> RIR allocations, http://lacnic.net/documentos/lacnicvii/POLITICA-IPV6-IANA-RIR_EN.pdf http://lacnic.net/documentos/lacnicvii/POLITICA-IPV6-IANA-RI..

For IANA -> RIR allocations, http://lacnic.net/documentos/lacnicvii/POLITICA-IPV6-IANA-RIR_EN.pdf http://lacnic.net/documentos/lacnicvii/POLITICA-IPV6-IANA-RI... and for an example of RIR allocation to ISP/end user: https://www.arin.net/policy/nrpm.html https://www.arin.net/policy/nrpm.html Each RIR has it's own policy though, so check with the one you're concerned with (ARIN vs APNIC, etc).