date       RIR       IPv4 adoption   IPv6 adoption
20230621   ripencc    0.6241          0.3714
20230621   apnic      0.3379          0.2330
20230621   arin       0.2964          0.3472
20230621   afrinic    0.2727          0.0972
20230621   lacnic     0.4264          0.2381