date       RIR       IPv4 adoption   IPv6 adoption
20210908   arin       0.2194          0.1994
20210908   afrinic    0.1554          0.0565
20210908   apnic      0.2529          0.1451
20210908   ripencc    0.4937          0.3203
20210908   lacnic     0.2953          0.3830