date, RIR, IPv4 adoption, IPv6 adoption
20220122, arin,  0.2328,  0.2005
20220122, afrinic,  0.1774,  0.0613
20220122, apnic,  0.2268,  0.1921
20220122, ripencc,  0.5093,  0.3343
20220122, lacnic,  0.3868,  0.4235