date       RIR       IPv4 adoption   IPv6 adoption
20220528   ripencc    0.5434          0.3455
20220528   apnic      0.2796          0.2283
20220528   lacnic     0.4017          0.4382
20220528   afrinic    0.1665          0.0625
20220528   arin       0.2631          0.2754