date, RIR, IPv4 adoption, IPv6 adoption 20230403, afrinic, 0.2392, 0.0707 20230403, ripencc, 0.5985, 0.3671 20230403, apnic, 0.3302, 0.2322 20230403, arin, 0.2831, 0.3471 20230403, lacnic, 0.4600, 0.4790