date, RIR, IPv4 adoption, IPv6 adoption
20211128, arin,  0.2316,  0.2002
20211128, apnic,  0.2115,  0.1499
20211128, afrinic,  0.1737,  0.0590
20211128, ripencc,  0.5067,  0.3313
20211128, lacnic,  0.3326,  0.3991