date       RIR       IPv4 adoption   IPv6 adoption
20231231   arin       0.3138          0.6620
20231231   apnic      0.3457          0.2361
20231231   afrinic    0.2770          0.0768
20231231   ripencc    0.6553          0.3768
20231231   lacnic     0.5029          0.5019