date       RIR       IPv4 adoption   IPv6 adoption
20230324   arin       0.2827          0.3470
20230324   apnic      0.3297          0.2322
20230324   ripencc    0.5979          0.3651
20230324   lacnic     0.4598          0.4789
20230324   afrinic    0.2380          0.0708