date, RIR, IPv4 adoption, IPv6 adoption
20211030, arin,  0.2311,  0.2000
20211030, apnic,  0.2110,  0.1486
20211030, afrinic,  0.1675,  0.0584
20211030, ripencc,  0.5048,  0.3311
20211030, lacnic,  0.3050,  0.3954