These entries are queried from radb.net using whois, you can try my project getting these.
:AS4803 route: 58.147.0.0/17 descr: CAT route object for TRIPLETNET-AS-AP origin: AS4803 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20110403 source: RADB last-modified: 2023-11-13T15:45:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.69.136.0/21 descr: CAT route object for TRIPLETNET-AS-AP origin: AS4803 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20110403 source: RADB last-modified: 2023-11-13T15:45:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.145.0.0/19 descr: CAT route object for AsiaAccess origin: AS4803 mnt-by: MAINT-THIX-CAT-TH changed: haniruth [at] cat.net.th 20010814 source: RADB last-modified: 2023-11-13T15:45:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df1:4640::/48 origin: AS4803 descr: HiveData Limited Room A1-13, Floor 3, Block A, Yee Lim Industrial Centre 2-28 mnt-by: MAINT-HIVEDATALIMITED-HK last-modified: 2022-09-20T00:50:31Z source: APNIC rpki-ov-state: valid