date       RIR       IPv4 adoption   IPv6 adoption
20211113   arin       0.2314          0.2000
20211113   lacnic     0.3147          0.3977
20211113   apnic      0.2113          0.1513
20211113   ripencc    0.5060          0.3290
20211113   afrinic    0.1692          0.0586