date       RIR       IPv4 adoption   IPv6 adoption
20220815   arin       0.2688          0.3047
20220815   afrinic    0.1945          0.0643
20220815   ripencc    0.5591          0.3520
20220815   lacnic     0.4125          0.4503
20220815   apnic      0.3087          0.2296