These entries are queried from radb.net using whois, you can try my project getting these.
:AS394140 route: 38.72.136.0/23 origin: AS394140 descr: Route Registered for Cogent Communications Customer Native Network mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20200728 source: RADB last-modified: 2023-11-13T16:01:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.72.136.0/24 origin: AS394140 descr: Route Registered for Cogent Communications Customer Native Network mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20200728 source: RADB last-modified: 2023-11-13T16:01:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.72.137.0/24 origin: AS394140 descr: Route Registered for Cogent Communications Customer Native Network mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20200728 source: RADB last-modified: 2023-11-13T16:01:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.94.99.0/24 origin: AS394140 descr: Route Registered for Cogent Communications Customer Native Network mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20200728 source: RADB last-modified: 2023-11-13T16:01:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.127.88.0/22 origin: AS394140 descr: Route Registered for Cogent Communications Customer - Native Network mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20200806 #13:31:57Z source: RADB last-modified: 2023-11-13T16:01:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.127.88.0/23 origin: AS394140 descr: Route Registered for Cogent Communications Customer - Native Network mnt-by: MAINT-AS174 changed: neteng [at] cogentco.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 route: 38.127.88.0/24 origin: AS394140 descr: Route Registered for Cogent Communications Customer - Native Network mnt-by: MAINT-AS174 changed: neteng [at] cogentco.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 route: 38.127.89.0/24 origin: AS394140 descr: Route Registered for Cogent Communications Customer - Native Network mnt-by: MAINT-AS174 changed: neteng [at] cogentco.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 route: 38.127.90.0/23 origin: AS394140 descr: Route Registered for Cogent Communications Customer - Native Network mnt-by: MAINT-AS174 changed: neteng [at] cogentco.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 route: 38.127.90.0/24 origin: AS394140 descr: Route Registered for Cogent Communications Customer - Native Network mnt-by: MAINT-AS174 changed: neteng [at] cogentco.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 route: 38.127.91.0/24 origin: AS394140 descr: Route Registered for Cogent Communications Customer - Native Network mnt-by: MAINT-AS174 changed: neteng [at] cogentco.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 route: 38.127.95.0/24 origin: AS394140 descr: Route Registered for Cogent Communications Customer Native Network mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20200728 source: RADB last-modified: 2023-11-13T16:01:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.141.36.0/24 origin: AS394140 descr: Route Registered for Cogent Communications Customer Native Network mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20200728 source: RADB last-modified: 2023-11-13T16:01:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source