These entries are queried from radb.net using whois, you can try my project getting these.
:AS46356 route: 149.76.0.0/16 descr: RR-RC-St. Bonaventure University-NorthEast origin: AS46356 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.76.0.0/18 descr: Zito Networks origin: AS46356 mnt-by: MAINT-AS26801 changed: skyler.blumer [at] zitomedia.com 20220330 source: RADB last-modified: 2023-11-13T16:10:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.76.0.0/19 descr: Zito Networks origin: AS46356 mnt-by: MAINT-AS26801 changed: skyler.blumer [at] zitomedia.com 20240412 source: RADB last-modified: 2024-04-12T14:29:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.52.219.0/24 descr: RR-RC-St. Bonaventure University-NorthEast origin: AS46356 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source