These entries are queried from radb.net using whois, you can try my project getting these.
:AS133496 route: 103.75.201.0/24 descr: CAT route object for CDN PLUS CO., LTD. origin: AS133496 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20161003 source: RADB last-modified: 2023-11-13T15:49:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source