date, RIR, IPv4 adoption, IPv6 adoption
20211116, ripencc,  0.5061,  0.3287
20211116, lacnic,  0.3153,  0.3976
20211116, arin,  0.2314,  0.2000
20211116, apnic,  0.2113,  0.1514
20211116, afrinic,  0.1721,  0.0587