date       RIR       IPv4 adoption   IPv6 adoption
20211125   ripencc    0.5064          0.3314
20211125   apnic      0.2114          0.1514
20211125   lacnic     0.3321          0.3990
20211125   arin       0.2315          0.2002
20211125   afrinic    0.1726          0.0588