date       RIR       IPv4 adoption   IPv6 adoption
20220514   arin       0.2600          0.2750
20220514   apnic      0.2809          0.2285
20220514   afrinic    0.1660          0.0622
20220514   ripencc    0.5405          0.3439
20220514   lacnic     0.4033          0.4373