date       RIR       IPv4 adoption   IPv6 adoption
20200329   ripencc    0.3966          0.2700
20200329   afrinic    0.0571          0.0484
20200329   apnic      0.1266          0.1443
20200329   arin       0.0587          0.0178
20200329   lacnic     0.2242          0.0597