date       RIR       IPv4 adoption   IPv6 adoption
20210905   arin       0.2194          0.1994
20210905   afrinic    0.1555          0.0566
20210905   ripencc    0.4933          0.3206
20210905   lacnic     0.2952          0.3829
20210905   apnic      0.2527          0.1451