date       RIR       IPv4 adoption   IPv6 adoption
20230421   ripencc    0.6076          0.3694
20230421   arin       0.2909          0.3459
20230421   lacnic     0.4212          0.2276
20230421   afrinic    0.2409          0.0710
20230421   apnic      0.3305          0.2324