date, RIR, IPv4 adoption, IPv6 adoption
20211125, ripencc,  0.5064,  0.3314
20211125, apnic,  0.2114,  0.1514
20211125, lacnic,  0.3321,  0.3990
20211125, arin,  0.2315,  0.2002
20211125, afrinic,  0.1726,  0.0588