date, RIR, IPv4 adoption, IPv6 adoption
20211224, arin,  0.2322,  0.2003
20211224, apnic,  0.2260,  0.1919
20211224, lacnic,  0.3690,  0.4048
20211224, afrinic,  0.1746,  0.0614
20211224, ripencc,  0.5078,  0.3320