date, RIR, IPv4 adoption, IPv6 adoption
20211120, arin,  0.2315,  0.2002
20211120, lacnic,  0.3314,  0.3984
20211120, ripencc,  0.5065,  0.3276
20211120, apnic,  0.2114,  0.1514
20211120, afrinic,  0.1715,  0.0589