date       RIR       IPv4 adoption   IPv6 adoption
20221228   arin       0.2875          0.3460
20221228   ripencc    0.5851          0.3646
20221228   afrinic    0.1969          0.0683
20221228   lacnic     0.4088          0.4622
20221228   apnic      0.3275          0.2315