These entries are queried from radb.net using whois, you can try my project getting these.
:AS54893 route: 65.61.59.0/24 origin: AS54893 descr: Proxy route object registered by Flexential for customer mnt-by: MAINT-FLEXENTIAL changed: routing [at] viawest.net 20200325 #21:08:45Z source: RADB last-modified: 2023-11-13T16:00:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.61.61.0/24 descr: Customer Route - Affinitiv origin: AS54893 notify: neteng [at] ictxwavemedia.net mnt-by: MAINT-AS35847 changed: matt.burleyson [at] ictxwavemedia.net 20200521 source: RADB last-modified: 2023-11-13T16:00:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source