date, RIR, IPv4 adoption, IPv6 adoption
20210913, arin,  0.2195,  0.1995
20210913, lacnic,  0.2953,  0.3836
20210913, apnic,  0.2536,  0.1452
20210913, afrinic,  0.1556,  0.0566
20210913, ripencc,  0.4956,  0.3197