These entries are queried from radb.net using whois, you can try my project getting these.
:AS268423 route: 45.160.220.0/22 origin: AS268423 descr: AS268423 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20200515 #13:06:30Z source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.160.220.0/24 descr: CLARO S.A. Customer origin: AS268423 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220713 source: RADB last-modified: 2023-11-13T16:11:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.160.221.0/24 descr: CLARO S.A. Customer origin: AS268423 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: 45.160.223.0/24 origin: AS268423 descr: susana g de souza me admin-c: NAMLI65-NICBR tech-c: NAMLI65-NICBR remarks: This is a Visuallink customer proxy route object, that was created because no existing route object with the same origin was found. Please contact noc [at] visuallink.net.br if you have any questions regarding this object. mnt-by: MAINT-AS265442 changed: ivancler.junior [at] visuallink.net.br 20240401 # 1232Z source: RADB last-modified: 2024-04-01T12:32:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:50fc::/32 origin: AS268423 descr: AS268423 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20200515 #13:07:24Z source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source