date       RIR       IPv4 adoption   IPv6 adoption
20220320   arin       0.2412          0.2019
20220320   apnic      0.2774          0.2279
20220320   ripencc    0.5162          0.3405
20220320   lacnic     0.3921          0.4293
20220320   afrinic    0.1836          0.0617