date, RIR, IPv4 adoption, IPv6 adoption
20210908, arin,  0.2194,  0.1994
20210908, afrinic,  0.1554,  0.0565
20210908, apnic,  0.2529,  0.1451
20210908, ripencc,  0.4937,  0.3203
20210908, lacnic,  0.2953,  0.3830