These entries are queried from radb.net using whois, you can try my project getting these.
:AS61681 route: 131.108.156.0/22 descr: MegaLink Telecom origin: AS61681 mnt-by: MAINT-AS61681 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20190103 #17:10:07(-02) source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.108.156.0/22 descr: ITX_GRUPO G1 origin: AS61681 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180607 #13:54:25Z source: RADB last-modified: 2023-11-13T15:53:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.108.156.0/23 descr: CLARO S.A. Customer origin: AS61681 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220502 source: RADB last-modified: 2023-11-13T16:10:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.108.156.0/24 descr: CLARO S.A. Customer origin: AS61681 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220303 source: RADB last-modified: 2023-11-13T16:09:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.108.158.0/24 descr: CLARO S.A. Customer origin: AS61681 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220516 source: RADB last-modified: 2023-11-13T16:11:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1ce4::/32 descr: ITX-WEST origin: AS61681 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20160824 #16:29:56Z source: RADB last-modified: 2023-11-13T15:49:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source