date       RIR       IPv4 adoption   IPv6 adoption
20230430   ripencc    0.6084          0.3698
20230430   arin       0.2924          0.3458
20230430   apnic      0.3307          0.2325
20230430   afrinic    0.2443          0.0710
20230430   lacnic     0.4233          0.2294