date, RIR, IPv4 adoption, IPv6 adoption 20230415, apnic, 0.3303, 0.2324 20230415, ripencc, 0.6069, 0.3681 20230415, afrinic, 0.2405, 0.0708 20230415, arin, 0.2836, 0.3459 20230415, lacnic, 0.4591, 0.4789