date, RIR, IPv4 adoption, IPv6 adoption
20211230, arin,  0.2322,  0.2003
20211230, apnic,  0.2261,  0.1919
20211230, lacnic,  0.3685,  0.4049
20211230, ripencc,  0.5080,  0.3315
20211230, afrinic,  0.1747,  0.0614