date, RIR, IPv4 adoption, IPv6 adoption
20230331, lacnic,  0.4600,  0.4794
20230331, arin,  0.2828,  0.3471
20230331, afrinic,  0.2397,  0.0708
20230331, ripencc,  0.5985,  0.3668
20230331, apnic,  0.3302,  0.2323