date       RIR       IPv4 adoption   IPv6 adoption
20210919   ripencc    0.4963          0.3210
20210919   apnic      0.2544          0.1452
20210919   afrinic    0.1592          0.0568
20210919   arin       0.2195          0.1998
20210919   lacnic     0.2950          0.3842