These entries are queried from radb.net using whois, you can try my project getting these.
:AS15344 route: 24.92.144.0/20 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20160824 source: RADB last-modified: 2023-11-13T15:56:01Z rpki-ov-state: valid route: 38.76.80.0/20 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: gcastro [at] cwc.com 20160331 source: RADB last-modified: 2023-11-13T15:55:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.76.88.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: rprudhomme [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150715 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 104.218.216.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20160824 source: RADB last-modified: 2023-11-13T15:56:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 104.255.252.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20160824 source: RADB last-modified: 2023-11-13T15:56:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.212.208.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20130627 source: RADB last-modified: 2023-11-13T15:55:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.212.208.0/23 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20160824 source: RADB last-modified: 2023-11-13T15:56:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.245.76.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20160824 source: RADB last-modified: 2023-11-13T15:56:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.58.140.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20130627 source: RADB last-modified: 2023-11-13T15:55:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.58.142.0/23 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20160824 source: RADB last-modified: 2023-11-13T15:56:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.38.192.0/21 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20130627 source: RADB last-modified: 2023-11-13T15:55:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.192.224.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20130627 source: RADB last-modified: 2023-11-13T15:55:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.192.226.0/23 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20160824 source: RADB last-modified: 2023-11-13T15:56:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.126.120.0/21 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20130627 source: RADB last-modified: 2023-11-13T15:55:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.191.240.0/20 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20130627 source: RADB last-modified: 2023-11-13T15:55:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.94.176.0/21 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15344 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20160824 source: RADB last-modified: 2023-11-13T15:56:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source