date, RIR, IPv4 adoption, IPv6 adoption
20221209, ripencc,  0.5841,  0.3644
20221209, arin,  0.2849,  0.3461
20221209, apnic,  0.3271,  0.2315
20221209, afrinic,  0.1971,  0.0678
20221209, lacnic,  0.4102,  0.4616