These entries are queried from radb.net using whois, you can try my project getting these.
:AS272943 route: 38.156.89.0/24 origin: AS272943 descr: Route Registered for Cogent Communications Customer - Openconnection Fernandez s.r.l. geoidx: DO mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230227 #16:23:19Z source: RADB last-modified: 2023-11-13T16:15:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.255.90.0/24 origin: AS272943 descr: Route Registered for Cogent Communications Customer Openconnection Fernandez s.r.l. geoidx: DO mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20231005 #16:58:19Z source: RADB last-modified: 2023-11-13T16:18:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2803:8990::/32 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS272943 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: gersain.rendon [at] cwc.com 20230130 source: RADB last-modified: 2023-11-13T16:13:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source