date, RIR, IPv4 adoption, IPv6 adoption
20230414, ripencc,  0.6068,  0.3681
20230414, apnic,  0.3303,  0.2324
20230414, afrinic,  0.2404,  0.0707
20230414, arin,  0.2836,  0.3459
20230414, lacnic,  0.4596,  0.4785