date       RIR       IPv4 adoption   IPv6 adoption
20220306   ripencc    0.5146          0.3383
20220306   apnic      0.2772          0.2277
20220306   lacnic     0.3906          0.4285
20220306   arin       0.2382          0.2019
20220306   afrinic    0.1791          0.0617