These entries are queried from radb.net using whois, you can try my project getting these.
:AS30542 route: 23.140.80.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS30542 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: jleiva [at] cwc.com 20200811 source: RADB last-modified: 2023-11-13T16:01:31Z rpki-ov-state: valid route: 23.140.80.0/24 origin: AS30542 mnt-by: MNT-MTS-157 tech-c: VMR4-ARIN admin-c: VMR4-ARIN source: ARIN created: 2020-09-08T01:40:30Z last-modified: 2020-09-08T01:40:30Z descr: MNT-MTS-157 route 023.140.080.000/24 AS30542 rpki-ov-state: valid route: 23.181.192.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS30542 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: jleiva [at] cwc.com 20200811 source: RADB last-modified: 2023-11-13T16:01:31Z rpki-ov-state: valid route: 23.181.192.0/24 origin: AS30542 mnt-by: MNT-MTS-157 descr: SECOND IPv4 MASTER PREFIX tech-c: VMR4-ARIN admin-c: VMR4-ARIN source: ARIN created: 2020-09-08T01:45:07Z last-modified: 2020-09-08T01:45:07Z rpki-ov-state: valid route6: 2620:42:2000::/48 origin: AS30542 mnt-by: MNT-MTS-157 descr: IPv6 MASTER PREFIX tech-c: VMR4-ARIN admin-c: VMR4-ARIN source: ARIN created: 2020-09-08T01:44:18Z last-modified: 2020-09-08T01:44:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:42:2000::/48 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS30542 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: jleiva [at] cwc.com 20200811 source: RADB last-modified: 2023-11-13T16:01:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source