date       RIR       IPv4 adoption   IPv6 adoption
20230321   arin       0.2905          0.3467
20230321   ripencc    0.5956          0.3645
20230321   apnic      0.3297          0.2322
20230321   lacnic     0.4574          0.4767
20230321   afrinic    0.2379          0.0706