date       RIR       IPv4 adoption   IPv6 adoption
20211128   arin       0.2316          0.2002
20211128   apnic      0.2115          0.1499
20211128   afrinic    0.1737          0.0590
20211128   ripencc    0.5067          0.3313
20211128   lacnic     0.3326          0.3991