date, RIR, IPv4 adoption, IPv6 adoption
20211217, apnic,  0.2259,  0.1917
20211217, afrinic,  0.1745,  0.0614
20211217, lacnic,  0.3689,  0.4043
20211217, arin,  0.2322,  0.2003
20211217, ripencc,  0.5074,  0.3318