date       RIR       IPv4 adoption   IPv6 adoption
20211224   arin       0.2322          0.2003
20211224   apnic      0.2260          0.1919
20211224   lacnic     0.3690          0.4048
20211224   afrinic    0.1746          0.0614
20211224   ripencc    0.5078          0.3320