These entries are queried from radb.net using whois, you can try my project getting these.
:AS61883 route: 131.0.100.0/22 origin: AS61883 descr: ITX-CYBERWEB mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20190214 #21:55:31Z source: RADB last-modified: 2023-11-13T15:55:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.0.100.0/23 descr: CLARO S.A. Customer origin: AS61883 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220818 source: RADB last-modified: 2023-11-13T16:12:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.0.100.0/24 descr: CLARO S.A. Customer origin: AS61883 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220801 source: RADB last-modified: 2023-11-13T16:11:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.0.102.0/23 descr: CLARO S.A. Customer origin: AS61883 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220818 source: RADB last-modified: 2023-11-13T16:12:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1ac0::/32 origin: AS61883 descr: ITX-CYBERWEB mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20190214 #22:00:32Z source: RADB last-modified: 2023-11-13T15:55:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source