date, RIR, IPv4 adoption, IPv6 adoption
20220120, arin,  0.2328,  0.2005
20220120, ripencc,  0.5093,  0.3335
20220120, lacnic,  0.3867,  0.4233
20220120, apnic,  0.2265,  0.1920
20220120, afrinic,  0.1774,  0.0613