date       RIR       IPv4 adoption   IPv6 adoption
20250401   arin       0.3809          0.6061
20250401   apnic      0.3667          0.1820
20250401   lacnic     0.5550          0.5547
20250401   ripencc    0.7183          0.4069
20250401   afrinic    0.3272          0.1075