These entries are queried from radb.net using whois, you can try my project getting these.
:AS58690 route: 103.15.144.0/22 origin: AS58690 descr: Pacific Internet (Thailand) for Customer(Internet East) mnt-by: MAINT-AS4765 changed: noct2.th [at] pacificinternet.com 20200909 #06:26:20Z source: RADB last-modified: 2023-11-13T16:01:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.15.144.0/24 descr: CAT route object for Pacific Internet origin: AS58690 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20121002 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: 103.15.145.0/24 descr: CAT route object for Pacific Internet origin: AS58690 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20121002 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: 103.15.146.0/24 descr: CAT route object for Pacific Internet origin: AS58690 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20121002 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: 103.15.147.0/24 descr: CAT route object for Pacific Internet origin: AS58690 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20121002 source: RADB last-modified: 2023-11-13T15:45:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source