date, RIR, IPv4 adoption, IPv6 adoption
20230121, ripencc,  0.5895,  0.3683
20230121, arin,  0.2888,  0.3465
20230121, lacnic,  0.4107,  0.4709
20230121, apnic,  0.3279,  0.2318
20230121, afrinic,  0.1915,  0.0675