date, RIR, IPv4 adoption, IPv6 adoption
20230430, ripencc,  0.6084,  0.3698
20230430, arin,  0.2924,  0.3458
20230430, apnic,  0.3307,  0.2325
20230430, afrinic,  0.2443,  0.0710
20230430, lacnic,  0.4233,  0.2294