These entries are queried from radb.net using whois, you can try my project getting these.
:AS149800 route: 202.28.80.0/23 descr: CAT route object for Phramongkutklao College of Medicine origin: AS149800 mnt-by: MAINT-THIX-CAT-TH changed: noc [at] cat.net.th 20220429 source: RADB last-modified: 2023-11-13T16:10:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.28.80.0/24 descr: CAT route object for Phramongkutklao College of Medicine origin: AS149800 mnt-by: MAINT-THIX-CAT-TH changed: noc [at] cat.net.th 20220429 source: RADB last-modified: 2023-11-13T16:10:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.28.81.0/24 descr: CAT route object for Phramongkutklao College of Medicine origin: AS149800 mnt-by: MAINT-THIX-CAT-TH changed: noc [at] cat.net.th 20220429 source: RADB last-modified: 2023-11-13T16:10:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source