date       RIR       IPv4 adoption   IPv6 adoption
20220216   arin       0.2345          0.2011
20220216   apnic      0.2754          0.2249
20220216   afrinic    0.1777          0.0612
20220216   lacnic     0.3894          0.4267
20220216   ripencc    0.5132          0.3370