date       RIR       IPv4 adoption   IPv6 adoption
20211202   ripencc    0.5068          0.3322
20211202   arin       0.2317          0.2002
20211202   afrinic    0.1739          0.0593
20211202   apnic      0.2252          0.1500
20211202   lacnic     0.3334          0.4001