date, RIR, IPv4 adoption, IPv6 adoption
20230405, arin,  0.2832,  0.3471
20230405, lacnic,  0.4603,  0.4809
20230405, apnic,  0.3303,  0.2323
20230405, afrinic,  0.2393,  0.0707
20230405, ripencc,  0.5988,  0.3677