date       RIR       IPv4 adoption   IPv6 adoption
20220728   arin       0.2683          0.3047
20220728   apnic      0.2988          0.2294
20220728   ripencc    0.5564          0.3449
20220728   lacnic     0.4036          0.4454
20220728   afrinic    0.1947          0.0643