date       RIR       IPv4 adoption   IPv6 adoption
20210928   arin       0.2198          0.1998
20210928   apnic      0.2548          0.1454
20210928   ripencc    0.5022          0.3225
20210928   afrinic    0.1597          0.0575
20210928   lacnic     0.2958          0.3857