These entries are queried from radb.net using whois, you can try my project getting these.
:AS29758 route: 199.101.64.0/21 descr: West Alabama CATV - WATVC origin: AS29758 mnt-by: MAINT-CHTR-WD changed: david.mccomber [at] chartercom.com 20120213 #22:03:04Z 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: 216.183.117.0/24 origin: AS29758 descr: SambaTV 118 King St San Francisco CA 94107 United States admin-c: SST286-ARIN tech-c: SST286-ARIN mnt-by: MNT-ST-1041 created: 2024-02-16T10:23:58Z last-modified: 2024-02-16T10:23:58Z source: ARIN rpki-ov-state: valid