date       RIR       IPv4 adoption   IPv6 adoption
20220422   ripencc    0.5182          0.3424
20220422   afrinic    0.1864          0.0620
20220422   arin       0.2490          0.2746
20220422   lacnic     0.4022          0.4337
20220422   apnic      0.2806          0.2283