date       RIR       IPv4 adoption   IPv6 adoption
20231027   ripencc    0.6438          0.3726
20231027   arin       0.3082          0.1815
20231027   lacnic     0.4958          0.4889
20231027   apnic      0.3433          0.2343
20231027   afrinic    0.2795          0.0760