date       RIR       IPv4 adoption   IPv6 adoption
20220505   ripencc    0.5398          0.3429
20220505   arin       0.2542          0.2746
20220505   lacnic     0.4030          0.4362
20220505   apnic      0.2795          0.2284
20220505   afrinic    0.1865          0.0620