These entries are queried from radb.net using whois, you can try my project getting these.
:AS395871 route: 137.142.0.0/16 descr: SUNY Plattsburgh 137.142.0.0/16 origin: AS395871 mnt-by: MAINT-AS11722 changed: ekreckel [at] westelcom.net 20170712 #13:09:17Z source: RADB last-modified: 2023-11-13T15:51:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source