date       RIR       IPv4 adoption   IPv6 adoption
20220421   ripencc    0.5182          0.3423
20220421   arin       0.2489          0.2746
20220421   afrinic    0.1865          0.0620
20220421   apnic      0.2804          0.2283
20220421   lacnic     0.4017          0.4338