date       RIR       IPv4 adoption   IPv6 adoption
20211216   arin       0.2322          0.2003
20211216   lacnic     0.3689          0.4039
20211216   ripencc    0.5074          0.3317
20211216   afrinic    0.1741          0.0614
20211216   apnic      0.2253          0.1917