date, RIR, IPv4 adoption, IPv6 adoption
20211001, lacnic,  0.2962,  0.3863
20211001, arin,  0.2205,  0.1998
20211001, apnic,  0.2549,  0.1454
20211001, afrinic,  0.1606,  0.0580
20211001, ripencc,  0.5031,  0.3224