date, RIR, IPv4 adoption, IPv6 adoption
20230512, ripencc,  0.6097,  0.3705
20230512, arin,  0.2940,  0.3460
20230512, apnic,  0.3311,  0.2326
20230512, lacnic,  0.4235,  0.2324
20230512, afrinic,  0.2451,  0.0711