These entries are queried from radb.net using whois, you can try my project getting these.
:AS30717 route: 75.141.49.0/24 descr: GREER CPW origin: AS30717 mnt-by: MAINT-CHTR-WD changed: steven.hurst [at] chartercom.com 20131125 #13:51:20Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source