date, RIR, IPv4 adoption, IPv6 adoption
20211209, ripencc,  0.5074,  0.3327
20211209, arin,  0.2318,  0.2003
20211209, lacnic,  0.3625,  0.4018
20211209, apnic,  0.2253,  0.1916
20211209, afrinic,  0.1735,  0.0613