date, RIR, IPv4 adoption, IPv6 adoption
20210929, lacnic,  0.2959,  0.3861
20210929, apnic,  0.2548,  0.1454
20210929, arin,  0.2199,  0.1998
20210929, afrinic,  0.1598,  0.0578
20210929, ripencc,  0.5022,  0.3224