These entries are queried from radb.net using whois, you can try my project getting these.
:AS19007 route: 199.76.41.0/24 descr: United Stations Radio Networks origin: AS19007 mnt-by: MAINT-AS27506 changed: rdavis [at] lightower.com 20160217 source: RADB last-modified: 2023-11-13T15:48:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.23.204.0/22 descr: Alpha Internet Services Questia transit origin: AS19007 mnt-by: ALPHAINTERNET-MNT changed: brohde [at] alpha-intra.net 20001211 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.23.204.0/22 descr: PNAP-HOU questia origin: AS19007 mnt-by: MAINT-AS1828 changed: ibn [at] internap.com 20001208 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.23.205.0/24 descr: PNAP-HOU questia routes origin: AS19007 mnt-by: MAINT-AS1828 changed: swhitson [at] internap.com 20010123 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source