date, RIR, IPv4 adoption, IPv6 adoption
20210922, ripencc,  0.4963,  0.3213
20210922, apnic,  0.2544,  0.1453
20210922, lacnic,  0.2952,  0.3842
20210922, arin,  0.2196,  0.1998
20210922, afrinic,  0.1592,  0.0571