These entries are queried from radb.net using whois, you can try my project getting these.
:AS27462 route: 63.175.212.0/23 descr: Kern,Dewenter,Viere,LTD origin: AS27462 mnt-by: MAINT-CHTR-WD changed: kevin.brunner [at] chartercom.com 20101216 #21:06:17Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.159.96.0/23 descr: Kern,Dewenter,Viere,LTD origin: AS27462 mnt-by: MAINT-CHTR-WD changed: kevin.brunner [at] chartercom.com 20101216 #21:05:27Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source