date, RIR, IPv4 adoption, IPv6 adoption 20230429, lacnic, 0.4233, 0.2295 20230429, afrinic, 0.2435, 0.0710 20230429, arin, 0.2924, 0.3459 20230429, apnic, 0.3307, 0.2325 20230429, ripencc, 0.6084, 0.3697