date       RIR       IPv4 adoption   IPv6 adoption
20230323   arin       0.2824          0.3470
20230323   ripencc    0.5971          0.3648
20230323   lacnic     0.4596          0.4787
20230323   apnic      0.3297          0.2322
20230323   afrinic    0.2380          0.0707