date, RIR, IPv4 adoption, IPv6 adoption
20211107, ripencc,  0.5058,  0.3303
20211107, lacnic,  0.3074,  0.3958
20211107, apnic,  0.2111,  0.1486
20211107, afrinic,  0.1676,  0.0585
20211107, arin,  0.2313,  0.2000