date, RIR, IPv4 adoption, IPv6 adoption
20210928, arin,  0.2198,  0.1998
20210928, apnic,  0.2548,  0.1454
20210928, ripencc,  0.5022,  0.3225
20210928, afrinic,  0.1597,  0.0575
20210928, lacnic,  0.2958,  0.3857