date, RIR, IPv4 adoption, IPv6 adoption
20230501, arin,  0.2924,  0.3458
20230501, lacnic,  0.4233,  0.2296
20230501, afrinic,  0.2443,  0.0710
20230501, apnic,  0.3307,  0.2325
20230501, ripencc,  0.6084,  0.3698