date       RIR       IPv4 adoption   IPv6 adoption
20220708   ripencc    0.5508          0.3428
20220708   arin       0.2676          0.2417
20220708   lacnic     0.4018          0.4393
20220708   apnic      0.2965          0.2291
20220708   afrinic    0.1943          0.0639