date       RIR       IPv4 adoption   IPv6 adoption
20210916   afrinic    0.1556          0.0566
20210916   arin       0.2195          0.1998
20210916   ripencc    0.4962          0.3213
20210916   lacnic     0.2951          0.3839
20210916   apnic      0.2537          0.1452