date, RIR, IPv4 adoption, IPv6 adoption 20230502, ripencc, 0.6086, 0.3699 20230502, apnic, 0.3307, 0.2325 20230502, afrinic, 0.2443, 0.0710 20230502, lacnic, 0.4234, 0.2301 20230502, arin, 0.2924, 0.3460