These entries are queried from radb.net using whois, you can try my project getting these.
:AS53312 route: 69.57.242.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS53312 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: respinosa [at] columbus.co 20161017 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: 199.48.206.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS53312 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: gersain.rendon [at] cwc.com 20201021 source: RADB last-modified: 2023-11-13T16:02:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.48.207.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS53312 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: gersain.rendon [at] cwc.com 20201021 source: RADB last-modified: 2023-11-13T16:02:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source