These entries are queried from radb.net using whois, you can try my project getting these.
:AS398947 route: 38.252.188.0/24 origin: AS398947 descr: Route Registered for Cogent Communications Customer Cablecolor S.A de C.V. geoidx: US mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230727 #21:32:44Z source: RADB last-modified: 2023-11-13T16:17:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.252.192.0/22 origin: AS398947 descr: Route Registered for Cogent Communications Customer Cablecolor S.A de C.V. geoidx: US mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230727 #21:52:33Z source: RADB last-modified: 2023-11-13T16:17:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.255.112.0/22 origin: AS398947 descr: Route Registered for Cogent Communications Customer - Cablecolor S.A de C.V. geoidx: HN mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20231006 #13:36:37Z source: RADB last-modified: 2023-11-13T16:18:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source