These entries are queried from radb.net using whois, you can try my project getting these.
:AS32750 route: 209.208.68.0/24 descr: ATLANTIC-GLEIMT1-1 origin: AS32750 mnt-by: GLEIM-MNT remarks: auto-generated route object so provider filters will work remarks: properly with as-atlanticnet AS-SET. remarks: Contact noc [at] atlantic.net if you want to make changes or remarks: take over as maintainer of this object. changed: noc [at] atlantic.net 20050214 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.251.141.0/24 origin: AS32750 descr: GAIN remarks: Proxy object for AS32750 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220513 source: RADB last-modified: 2023-11-13T16:11:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source