date, RIR, IPv4 adoption, IPv6 adoption
20210924, ripencc,  0.5002,  0.3230
20210924, arin,  0.2196,  0.1998
20210924, afrinic,  0.1593,  0.0572
20210924, lacnic,  0.2957,  0.3850
20210924, apnic,  0.2544,  0.1453