date, RIR, IPv4 adoption, IPv6 adoption
20211017, arin,  0.2307,  0.1999
20211017, afrinic,  0.1621,  0.0580
20211017, ripencc,  0.5042,  0.3323
20211017, apnic,  0.2106,  0.1111
20211017, lacnic,  0.2972,  0.3902