date, RIR, IPv4 adoption, IPv6 adoption
20211004, ripencc,  0.5034,  0.3221
20211004, arin,  0.2205,  0.1998
20211004, apnic,  0.2083,  0.1110
20211004, afrinic,  0.1606,  0.0580
20211004, lacnic,  0.2966,  0.3874