date       RIR       IPv4 adoption   IPv6 adoption
20220410   ripencc    0.5178          0.3415
20220410   arin       0.2483          0.2745
20220410   afrinic    0.1859          0.0620
20220410   apnic      0.2779          0.2282
20220410   lacnic     0.3935          0.4326