These entries are queried from radb.net using whois, you can try my project getting these.
:AS135616 route: 202.28.64.0/24 descr: CAT route object for THAKSIN UNIVERSITY PHATTHALUNG CAMPUS origin: AS135616 mnt-by: MAINT-THIX-CAT-TH changed: schaka [at] cat.net.th 20221102 source: RADB last-modified: 2023-11-13T16:13:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.28.65.0/24 descr: CAT route object for THAKSIN UNIVERSITY PHATTHALUNG CAMPUS origin: AS135616 mnt-by: MAINT-THIX-CAT-TH changed: schaka [at] cat.net.th 20221102 source: RADB last-modified: 2023-11-13T16:13:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.28.66.0/24 descr: CAT route object for THAKSIN UNIVERSITY PHATTHALUNG CAMPUS origin: AS135616 mnt-by: MAINT-THIX-CAT-TH changed: schaka [at] cat.net.th 20221102 source: RADB last-modified: 2023-11-13T16:13:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.28.67.0/24 descr: CAT route object for THAKSIN UNIVERSITY PHATTHALUNG CAMPUS origin: AS135616 mnt-by: MAINT-THIX-CAT-TH changed: schaka [at] cat.net.th 20221102 source: RADB last-modified: 2023-11-13T16:13:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:3c8:9006::/48 descr: CAT route object for CAT Telecom origin: AS135616 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20221102 source: RADB last-modified: 2023-11-13T16:13:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source