date, RIR, IPv4 adoption, IPv6 adoption
20210917, ripencc,  0.4963,  0.3213
20210917, apnic,  0.2540,  0.1452
20210917, afrinic,  0.1566,  0.0566
20210917, arin,  0.2195,  0.1998
20210917, lacnic,  0.2951,  0.3842