date, RIR, IPv4 adoption, IPv6 adoption
20220105, arin,  0.2322,  0.2004
20220105, apnic,  0.2264,  0.1920
20220105, afrinic,  0.1749,  0.0614
20220105, ripencc,  0.5084,  0.3319
20220105, lacnic,  0.3694,  0.4051