These entries are queried from radb.net using whois, you can try my project getting these.
:AS55339 route: 170.48.146.0/24 descr: CAT route object for Super Broadband Network Co Ltd origin: AS55339 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20210115 source: RADB last-modified: 2023-11-13T16:03:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.48.147.0/24 descr: CAT route object for Super Broadband Network Co Ltd origin: AS55339 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20210115 source: RADB last-modified: 2023-11-13T16:03:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.154.79.0/24 descr: Customer name: Capital Nomura Securities PCL. origin: AS55339 mnt-by: MAINT-AS4750 changed: bgpadmin [at] csloxinfo.net 20091218 #07:17:34Z source: RADB last-modified: 2023-11-13T15:40:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source