date       RIR       IPv4 adoption   IPv6 adoption
20210912   ripencc    0.4956          0.3197
20210912   afrinic    0.1555          0.0566
20210912   arin       0.2195          0.1995
20210912   lacnic     0.2953          0.3836
20210912   apnic      0.2536          0.1452