These entries are queried from radb.net using whois, you can try my project getting these.
:AS54848 route: 198.245.255.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS54848 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20141210 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: 200.50.25.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS54848 mnt-by: MAINT-AS23520 changed: emckenzie [at] columbus.co 20141219 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source