date       RIR       IPv4 adoption   IPv6 adoption
20220325   arin       0.2467          0.2019
20220325   apnic      0.2775          0.2279
20220325   afrinic    0.1836          0.0618
20220325   lacnic     0.3922          0.4295
20220325   ripencc    0.5171          0.3405