date, RIR, IPv4 adoption, IPv6 adoption
20211127, arin,  0.2316,  0.2002
20211127, apnic,  0.2115,  0.1499
20211127, ripencc,  0.5067,  0.3314
20211127, afrinic,  0.1738,  0.0590
20211127, lacnic,  0.3327,  0.3993