These entries are queried from radb.net using whois, you can try my project getting these.
:AS18252 route: 61.19.128.0/19 descr: CAT route object for Thaipak ATM Network origin: AS18252 mnt-by: MAINT-THIX-CAT-TH changed: chutikan [at] cat.net.th 20030902 source: RADB last-modified: 2023-11-13T15:45:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.19.128.0/20 descr: Proxy-registered route object origin: AS18252 remarks: auto-generated route object remarks: this next line gives the robot something to recognize remarks: L'enfer, c'est les autres remarks: remarks: This route object is for a Level 3 customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some Level 3 peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact dl-routing [at] lumen.com if you have any remarks: questions regarding this object. mnt-by: LEVEL3-MNT changed: roy [at] Level3.net 20070216 source: LEVEL3 rpki-ov-state: valid route: 61.19.128.0/20 origin: AS18252 descr: CAT Telecom Public Company Limited 13th CAT TELECOM TOWER NEW ROAD SRIPHRAYA BANGRAK BANGKOK THAILAND mnt-by: MAINT-TH-THIX-CAT last-modified: 2023-10-02T03:23:05Z source: APNIC rpki-ov-state: valid route6: 2403:5400:3000::/48 descr: CAT route object for CAT Telecom origin: AS18252 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20160729 source: RADB last-modified: 2023-11-13T15:49:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source