These entries are queried from radb.net using whois, you can try my project getting these.
:AS140617 route: 103.151.8.0/23 descr: CAT route object for Next Route Company Limited origin: AS140617 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20200720 source: RADB last-modified: 2023-11-13T16:01:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.151.8.0/24 origin: AS140617 descr: Jastel register for AS140617 mnt-by: MAINT-AS45629 changed: nmc [at] jasmine.com 20200507 #04:20:51Z source: RADB last-modified: 2024-01-03T03:00:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.151.9.0/24 origin: AS140617 descr: Jastel register for AS140617 mnt-by: MAINT-AS45629 changed: nmc [at] jasmine.com 20200507 #04:21:36Z source: RADB last-modified: 2024-01-03T03:00:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source