These entries are queried from radb.net using whois, you can try my project getting these.
:AS263247 route: 207.248.101.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS263247 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: fospina [at] columbus.co 20151113 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source