date, RIR, IPv4 adoption, IPv6 adoption
20211112, ripencc,  0.5060,  0.3294
20211112, arin,  0.2314,  0.2000
20211112, apnic,  0.2113,  0.1513
20211112, afrinic,  0.1691,  0.0586
20211112, lacnic,  0.3140,  0.3978