date       RIR       IPv4 adoption   IPv6 adoption
20220515   arin       0.2600          0.2750
20220515   afrinic    0.1660          0.0622
20220515   lacnic     0.4034          0.4374
20220515   ripencc    0.5405          0.3439
20220515   apnic      0.2809          0.2285