date, RIR, IPv4 adoption, IPv6 adoption
20211221, arin,  0.2322,  0.2003
20211221, ripencc,  0.5077,  0.3321
20211221, afrinic,  0.1746,  0.0614
20211221, lacnic,  0.3690,  0.4044
20211221, apnic,  0.2260,  0.1917