date, RIR, IPv4 adoption, IPv6 adoption
20210909, arin,  0.2194,  0.1995
20210909, afrinic,  0.1554,  0.0565
20210909, apnic,  0.2530,  0.1451
20210909, lacnic,  0.2953,  0.3832
20210909, ripencc,  0.4952,  0.3201