These entries are queried from radb.net using whois, you can try my project getting these.
:AS23717 route: 203.144.183.0/24 descr: ACMG NETWORK origin: AS23717 mnt-by: MAINT-AS7470 changed: register [at] asianet.co.th 20030908 #11:44:38(UTC) source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: valid