date       RIR       IPv4 adoption   IPv6 adoption
20220322   arin       0.2435          0.2019
20220322   lacnic     0.3921          0.4293
20220322   apnic      0.2775          0.2279
20220322   ripencc    0.5167          0.3405
20220322   afrinic    0.1836          0.0617