date, RIR, IPv4 adoption, IPv6 adoption
20211231, lacnic,  0.3694,  0.4052
20211231, apnic,  0.2264,  0.1919
20211231, ripencc,  0.5081,  0.3316
20211231, arin,  0.2322,  0.2003
20211231, afrinic,  0.1750,  0.0614