date, RIR, IPv4 adoption, IPv6 adoption
20230421, ripencc,  0.6076,  0.3694
20230421, arin,  0.2909,  0.3459
20230421, lacnic,  0.4212,  0.2276
20230421, afrinic,  0.2409,  0.0710
20230421, apnic,  0.3305,  0.2324