These entries are queried from radb.net using whois, you can try my project getting these.
:AS31746 route: 155.68.0.0/16 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS31746 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: valid route6: 2620:5d:4000::/48 descr: Franklin and Marshall College descr: P.O. Box 3003 descr: Lancaster, PA 17604-3003 descr: US origin: AS31746 notify: matt.richard [at] fandm.edu mnt-by: MNT-FMC-4 changed: matt.richard [at] fandm.edu 20131205 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source