date, RIR, IPv4 adoption, IPv6 adoption 20211230, arin, 0.2322, 0.2003 20211230, apnic, 0.2261, 0.1919 20211230, lacnic, 0.3685, 0.4049 20211230, ripencc, 0.5080, 0.3315 20211230, afrinic, 0.1747, 0.0614