date       RIR       IPv4 adoption   IPv6 adoption
20220304   arin       0.2382          0.2019
20220304   lacnic     0.3909          0.4285
20220304   ripencc    0.5144          0.3382
20220304   apnic      0.2772          0.2277
20220304   afrinic    0.1791          0.0617