date       RIR       IPv4 adoption   IPv6 adoption
20220611   arin       0.2664          0.2759
20220611   ripencc    0.5476          0.3465
20220611   apnic      0.2907          0.2287
20220611   afrinic    0.1679          0.0625
20220611   lacnic     0.4023          0.4401