These entries are queried from radb.net using whois, you can try my project getting these.
:AS263090 route: 186.250.72.0/22 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. origin: AS263090 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200727 source: RADB last-modified: 2023-11-13T16:01:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.250.72.0/22 origin: AS263090 descr: Proxy Route for Clienteorigin: 262476 mnt-by: MAINT-262476 changed: suporte [at] brcentral.com.br 20191119 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.250.72.0/23 descr: CLARO S.A. Customer origin: AS263090 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20221024 source: RADB last-modified: 2023-11-13T16:12:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.250.74.0/23 descr: CLARO S.A. Customer origin: AS263090 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20221024 source: RADB last-modified: 2023-11-13T16:12:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.250.76.0/22 origin: AS263090 descr: Proxy Route for Clienteorigin: 262476 mnt-by: MAINT-262476 changed: suporte [at] brcentral.com.br 20191119 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.250.76.0/22 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. origin: AS263090 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200727 source: RADB last-modified: 2023-11-13T16:01:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.150.88.0/22 origin: AS263090 descr: Proxy Route for Clienteorigin: 262476 mnt-by: MAINT-262476 changed: suporte [at] brcentral.com.br 20191119 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.150.88.0/22 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. origin: AS263090 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200727 source: RADB last-modified: 2023-11-13T16:01:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1974::/32 origin: AS263090 descr: Proxy Route for Clienteorigin: 262476 mnt-by: MAINT-262476 changed: suporte [at] brcentral.com.br 20191119 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1974::/32 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. origin: AS263090 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200728 source: RADB last-modified: 2023-11-13T16:01:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source