date       RIR       IPv4 adoption   IPv6 adoption
20220326   arin       0.2467          0.2019
20220326   ripencc    0.5171          0.3407
20220326   afrinic    0.1865          0.0620
20220326   lacnic     0.3921          0.4296
20220326   apnic      0.2776          0.2279