date       RIR       IPv4 adoption   IPv6 adoption
20220402   ripencc    0.5174          0.3410
20220402   arin       0.2470          0.2020
20220402   afrinic    0.1861          0.0619
20220402   apnic      0.2777          0.2282
20220402   lacnic     0.3933          0.4315