date       RIR       IPv4 adoption   IPv6 adoption
20230310   arin       0.2904          0.3466
20230310   ripencc    0.5939          0.3635
20230310   lacnic     0.4129          0.4763
20230310   afrinic    0.2413          0.0702
20230310   apnic      0.3297          0.2321