date, RIR, IPv4 adoption, IPv6 adoption
20230328, arin,  0.2829,  0.3471
20230328, afrinic,  0.2378,  0.0709
20230328, lacnic,  0.4601,  0.4799
20230328, apnic,  0.3299,  0.2322
20230328, ripencc,  0.5983,  0.3662