date, RIR, IPv4 adoption, IPv6 adoption
20230323, arin,  0.2824,  0.3470
20230323, ripencc,  0.5971,  0.3648
20230323, lacnic,  0.4596,  0.4787
20230323, apnic,  0.3297,  0.2322
20230323, afrinic,  0.2380,  0.0707