These entries are queried from radb.net using whois, you can try my project getting these.
:AS53225 route: 177.137.16.0/20 descr: ITX-DataCorpore Serviços origin: AS53225 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20161110 #18:23:30Z source: RADB last-modified: 2023-11-13T15:49:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.137.17.0/24 descr: Proxy-registered route object for AS53062 Customer remarks: --------------------------------- remarks: For SECURITY issues, please send messages to remarks: origin AS administrator remarks: (e.g. whois -h whois.lacnic.net AS53225) remarks: --------------------------------- remarks: This route is from a AS customer which remarks: is being exported under origin AS53062 below. remarks: It was created by us because no other remarks: route object with the same origin was found. remarks: --------------------------------- remarks: For removal, please contact bgp [at] as53062.net.br remarks: --------------------------------- origin: AS53225 notify: bgp [at] as53062.net.br mnt-by: MAINT-AS53062 changed: guilherme.moreira [at] gegnet.com.br 20231024 #10:55:50(-0300) source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.137.19.0/24 descr: IPGLOBE INTERNET SERVICES DATACENTER LTDA origin: AS53225 mnt-by: MAINT-AS53225 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20130425 #12:47:31(BRT) source: TC last-modified: 2021-05-04T02:55:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.137.19.0/24 descr: G8 Customer Proxy Route origin: AS53225 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br source: RADB last-modified: 2024-03-18T23:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.137.22.0/24 origin: AS53225 descr: CUSTOMER - SAMM - DESKTOP - IPGLOBE INTERNET LTDA mnt-by: MAINT-AS52551 changed: cgr.samm [at] grupoccr.com.br 20230131 #17:46:54Z source: RADB last-modified: 2023-11-13T16:13:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.128.0/20 descr: IPGLOBE DATACENTER origin: AS53225 mnt-by: ipglobe created: 2016-02-10T11:47:20Z last-modified: 2018-09-04T18:22:37Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.128.0/20 descr: ITX-DataCorpore Serviços origin: AS53225 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20161110 #18:24:43Z source: RADB last-modified: 2023-11-13T15:49:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.143.0/24 descr: CLARO S.A. Customer origin: AS53225 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231019 source: RADB last-modified: 2023-11-13T16:19:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:644::/32 descr: ITX-DataCorpore Serviços origin: AS53225 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20161110 #18:26:43Z source: RADB last-modified: 2023-11-13T15:49:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source