date       RIR       IPv4 adoption   IPv6 adoption
20211214   afrinic    0.1744          0.0614
20211214   arin       0.2318          0.2003
20211214   apnic      0.2250          0.1914
20211214   lacnic     0.3687          0.4032
20211214   ripencc    0.5074          0.3314