date       RIR       IPv4 adoption   IPv6 adoption
20230218   arin       0.2897          0.3465
20230218   ripencc    0.5925          0.3670
20230218   lacnic     0.4126          0.4770
20230218   apnic      0.3290          0.2321
20230218   afrinic    0.1933          0.0680