date, RIR, IPv4 adoption, IPv6 adoption
20211021, ripencc,  0.5076,  0.3319
20211021, arin,  0.2308,  0.2000
20211021, afrinic,  0.1643,  0.0580
20211021, lacnic,  0.2975,  0.3914
20211021, apnic,  0.2108,  0.1485