date, RIR, IPv4 adoption, IPv6 adoption
20230504, arin,  0.2924,  0.3460
20230504, afrinic,  0.2443,  0.0709
20230504, apnic,  0.3308,  0.2325
20230504, lacnic,  0.4235,  0.2311
20230504, ripencc,  0.6089,  0.3702