date       RIR       IPv4 adoption   IPv6 adoption
20210917   ripencc    0.4963          0.3213
20210917   apnic      0.2540          0.1452
20210917   afrinic    0.1566          0.0566
20210917   arin       0.2195          0.1998
20210917   lacnic     0.2951          0.3842