date, RIR, IPv4 adoption, IPv6 adoption
20211108, ripencc,  0.5058,  0.3304
20211108, afrinic,  0.1677,  0.0585
20211108, arin,  0.2313,  0.2000
20211108, lacnic,  0.3075,  0.3958
20211108, apnic,  0.2111,  0.1486