date, RIR, IPv4 adoption, IPv6 adoption 20210905, arin, 0.2194, 0.1994 20210905, afrinic, 0.1555, 0.0566 20210905, ripencc, 0.4933, 0.3206 20210905, lacnic, 0.2952, 0.3829 20210905, apnic, 0.2527, 0.1451