date       RIR       IPv4 adoption   IPv6 adoption
20221209   ripencc    0.5841          0.3644
20221209   arin       0.2849          0.3461
20221209   apnic      0.3271          0.2315
20221209   afrinic    0.1971          0.0678
20221209   lacnic     0.4102          0.4616