date, RIR, IPv4 adoption, IPv6 adoption
20211215, afrinic,  0.1744,  0.0614
20211215, apnic,  0.2253,  0.1917
20211215, lacnic,  0.3688,  0.4033
20211215, arin,  0.2319,  0.2003
20211215, ripencc,  0.5074,  0.3317