date       RIR       IPv4 adoption   IPv6 adoption
20211219   arin       0.2322          0.2003
20211219   afrinic    0.1745          0.0614
20211219   lacnic     0.3689          0.4043
20211219   ripencc    0.5075          0.3321
20211219   apnic      0.2260          0.1917