date       RIR       IPv4 adoption   IPv6 adoption
20210909   arin       0.2194          0.1995
20210909   afrinic    0.1554          0.0565
20210909   apnic      0.2530          0.1451
20210909   lacnic     0.2953          0.3832
20210909   ripencc    0.4952          0.3201