date, RIR, IPv4 adoption, IPv6 adoption
20210907, ripencc,  0.4933,  0.3204
20210907, lacnic,  0.2950,  0.3831
20210907, apnic,  0.2527,  0.1451
20210907, arin,  0.2194,  0.1994
20210907, afrinic,  0.1555,  0.0566