date, RIR, IPv4 adoption, IPv6 adoption
20230630, arin,  0.2967,  0.3476
20230630, lacnic,  0.4288,  0.2400
20230630, afrinic,  0.2732,  0.0988
20230630, ripencc,  0.6245,  0.3719
20230630, apnic,  0.3382,  0.2331