date       RIR       IPv4 adoption   IPv6 adoption
20220324   arin       0.2457          0.2019
20220324   ripencc    0.5169          0.3406
20220324   afrinic    0.1836          0.0617
20220324   apnic      0.2775          0.2279
20220324   lacnic     0.3921          0.4294