date       RIR       IPv4 adoption   IPv6 adoption
20220331   arin       0.2469          0.2020
20220331   apnic      0.2778          0.2280
20220331   lacnic     0.3933          0.4312
20220331   ripencc    0.5173          0.3408
20220331   afrinic    0.1873          0.0620