These entries are queried from radb.net using whois, you can try my project getting these.
:AS61503 route: 38.250.124.0/22 origin: AS61503 descr: Route Registered for Cogent Communications Customer - RedCentral Telecomunicaion geoidx: CL mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230829 source: RADB last-modified: 2023-11-13T16:18:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.36.252.0/22 descr: LACNIC generated route for SERVICIOS DE TELECOMUNICACIONES INTERCABLE LTDA. origin: AS61503 remarks: LACNIC generated route for SERVICIOS DE TELECOMUNICACIONES INTERCABLE LTDA. remarks: maxLength 24 mnt-by: MNT-CL-STIL5-LACNIC changed: 20240305 source: LACNIC remarks: *************************************************** remarks: This object may have been modified remarks: For more information, please query whois.lacnic.net remarks: *************************************************** last-modified: 2024-03-05T19:15:05Z rpki-ov-state: valid route: 138.36.252.0/22 descr: PROXY FOR OUR COSTUMER CONE origin: AS61503 mnt-by: MAINT-AS263237 changed: nocixmetro [at] powerhost.cl 20210105 source: ALTDB rpki-ov-state: valid route: 138.36.252.0/22 origin: AS61503 descr: ITX-CUSTOMER-GTD mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20191217 #14:49:58Z source: RADB last-modified: 2023-11-13T15:59:22Z rpki-ov-state: valid route6: 2803:2f80:1701::/64 origin: AS61503 descr: This route object is for IFX Networks customer route which is being exported under this origin AS 61503 mnt-by: MAINT-AS18747 changed: noc [at] ifxcorp.com 20190826 #18:06:47Z source: RADB last-modified: 2023-11-13T16:18:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source