These entries are queried from radb.net using whois, you can try my project getting these.
:AS19645 route: 38.126.124.0/24 origin: AS19645 descr: Route Registered for Cogent Communications Customer - IXsystems, Inc. geoidx: US mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20210323 #17:47:17Z source: RADB last-modified: 2023-11-13T16:05:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.2.122.0/24 descr: PNAP-ATL magnfi-2 ACS origin: AS19645 mnt-by: MAINT-AS1828 changed: mmazarakis [at] internap.com 20010207 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 195.137.252.0/24 descr: HERMESPHONE-MNT. PI Space. USA-Telx. origin: AS19645 mnt-routes: NEXCOM-BG-MNT mnt-routes: HERMESPHONE-MNT mnt-routes: NEXCOM-INTL-MNT mnt-by: HERMESPHONE-MNT mnt-by: NEXCOM-BG-MNT mnt-by: NEXCOM-INTL-MNT created: 2007-10-22T14:44:32Z last-modified: 2013-09-02T09:39:51Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source