date, RIR, IPv4 adoption, IPv6 adoption
20210921, ripencc,  0.4963,  0.3212
20210921, lacnic,  0.2951,  0.3842
20210921, apnic,  0.2544,  0.1453
20210921, arin,  0.2195,  0.1998
20210921, afrinic,  0.1592,  0.0570