date       RIR       IPv4 adoption   IPv6 adoption
20220213   ripencc    0.5130          0.3365
20220213   arin       0.2341          0.2011
20220213   afrinic    0.1775          0.0612
20220213   lacnic     0.3896          0.4268
20220213   apnic      0.2721          0.2232