date       RIR       IPv4 adoption   IPv6 adoption
20230518   ripencc    0.6111          0.3707
20230518   apnic      0.3312          0.2327
20230518   arin       0.2952          0.3461
20230518   lacnic     0.4242          0.2331
20230518   afrinic    0.2456          0.0712