date       RIR       IPv4 adoption   IPv6 adoption
20250321   arin       0.3806          0.6060
20250321   afrinic    0.3284          0.1078
20250321   apnic      0.3664          0.1820
20250321   ripencc    0.7153          0.4059
20250321   lacnic     0.5548          0.5530