These entries are queried from radb.net using whois, you can try my project getting these.
:AS266798 route: 38.44.100.0/22 origin: AS266798 descr: Route Registered for Cogent Communications Customer - UNE COMUNICACIONES SRL geoidx: DO mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20220425 #13:10:41Z source: RADB last-modified: 2023-11-13T16:10:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.235.228.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS266798 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: respinosa [at] columbus.co 20181115 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2803:8a0::/32 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS266798 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: giovanna.castro [at] cwc.com 20200806 source: RADB last-modified: 2023-11-13T16:01:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source