These entries are queried from radb.net using whois, you can try my project getting these.
:AS27966 route: 63.164.108.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS27966 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20120828 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: 65.172.48.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS27966 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20120828 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: 204.181.52.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS27966 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20120828 source: RADB last-modified: 2023-11-13T15:55:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source