These entries are queried from radb.net using whois, you can try my project getting these.
:AS14433 route: 129.3.0.0/16 origin: AS14433 descr: SUNY Oswego admin-c: GREGO2-ARIN tech-c: GREGO2-ARIN mnt-by: MAINT-AS14433 changed: gregory.fuller [at] oswego.edu 20220222 #19:29:41Z source: RADB last-modified: 2023-11-13T16:09:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source