AIS is mobile operator hence assign you random IP from the pool every time you reconnect to the network. IP address could be used by many different users during a day, definitely not a household as author states. Looks like useless data for me.
Also AIS mobile is IPv6 (2001:44c8:4400::/44) with CG-NAT since 2017. IIRC they were giving out /64 to every mobile client, but I'm not sure how long does /64 assignment lasts.