date, RIR, IPv4 adoption, IPv6 adoption
20231221, arin,  0.3135,  0.6620
20231221, ripencc,  0.6547,  0.3764
20231221, lacnic,  0.5031,  0.5010
20231221, apnic,  0.3455,  0.2361
20231221, afrinic,  0.2803,  0.0767