These entries are queried from radb.net using whois, you can try my project getting these.
:AS28087 route: 154.196.0.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: gersain.rendon [at] cwc.com 20230131 source: RADB last-modified: 2023-11-13T16:13:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.239.56.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: rafael.espinosa [at] cwc.com 20211011 source: RADB last-modified: 2023-11-13T16:08:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.239.56.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: gt-ip [at] cwc.com mnt-by: MAINT-AS23520 changed: jprivera [at] cwc.com 20170531 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: 170.239.57.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: gt-ip [at] cwc.com mnt-by: MAINT-AS23520 changed: jprivera [at] cwc.com 20170531 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: 170.239.58.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: gt-ip [at] cwc.com mnt-by: MAINT-AS23520 changed: jprivera [at] cwc.com 20170531 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: 170.239.59.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: gt-ip [at] cwc.com mnt-by: MAINT-AS23520 changed: jprivera [at] cwc.com 20170531 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: 179.0.192.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: gersain.rendon [at] cwc.com 20230131 source: RADB last-modified: 2023-11-13T16:13:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.114.112.0/21 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: jtrespalacios [at] columbus-networks.com 20130318 source: RADB last-modified: 2023-11-13T15:55:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.114.112.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: jalonso [at] columbus-networks.com 20101119 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: 200.114.113.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: jalonso [at] columbus-networks.com 20101119 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: 200.114.114.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: jalonso [at] columbus-networks.com 20101119 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: 200.114.115.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: jalonso [at] columbus-networks.com 20101119 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: 200.114.116.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: jalonso [at] columbus-networks.com 20101119 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: 200.114.117.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: jalonso [at] columbus-networks.com 20101119 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: 200.114.118.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: jalonso [at] columbus-networks.com 20101119 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: 200.114.119.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: jalonso [at] columbus-networks.com 20101119 source: RADB last-modified: 2023-11-13T15:55:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2803:54c0::/32 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28087 notify: gt-ip [at] cwc.com mnt-by: MAINT-AS23520 changed: jprivera [at] cwc.com 20170531 source: RADB last-modified: 2023-11-13T15:55:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source