date, RIR, IPv4 adoption, IPv6 adoption 20211214, afrinic, 0.1744, 0.0614 20211214, arin, 0.2318, 0.2003 20211214, apnic, 0.2250, 0.1914 20211214, lacnic, 0.3687, 0.4032 20211214, ripencc, 0.5074, 0.3314