date, RIR, IPv4 adoption, IPv6 adoption 20230405, arin, 0.2832, 0.3471 20230405, lacnic, 0.4603, 0.4809 20230405, apnic, 0.3303, 0.2323 20230405, afrinic, 0.2393, 0.0707 20230405, ripencc, 0.5988, 0.3677