date, RIR, IPv4 adoption, IPv6 adoption
20211216, arin,  0.2322,  0.2003
20211216, lacnic,  0.3689,  0.4039
20211216, ripencc,  0.5074,  0.3317
20211216, afrinic,  0.1741,  0.0614
20211216, apnic,  0.2253,  0.1917