date, RIR, IPv4 adoption, IPv6 adoption
20211202, ripencc,  0.5068,  0.3322
20211202, arin,  0.2317,  0.2002
20211202, afrinic,  0.1739,  0.0593
20211202, apnic,  0.2252,  0.1500
20211202, lacnic,  0.3334,  0.4001