These entries are queried from radb.net using whois, you can try my project getting these.
:AS263885 route: 138.204.100.0/22 descr: Central NET origin: AS263885 mnt-by: MAINT-AS263885 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20151202 #22:07:00(BRST) 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: 138.204.100.0/22 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: AS263885 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: 138.204.100.0/24 descr: Central NET origin: AS263885 mnt-by: MAINT-AS263885 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20151202 #22:07:00(BRST) 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: 138.204.101.0/24 descr: Central NET origin: AS263885 mnt-by: MAINT-AS263885 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20151202 #22:07:00(BRST) 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: 138.204.102.0/24 descr: Central NET origin: AS263885 mnt-by: MAINT-AS263885 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20151202 #22:07:00(BRST) 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: 138.204.103.0/24 descr: Central NET origin: AS263885 mnt-by: MAINT-AS263885 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20151202 #22:07:00(BRST) 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: 170.0.184.0/22 descr: G8 Networks origin: AS263885 mnt-by: MAINT-AS28329 changed: marcio.cavalcante [at] g8.net.br 20171206 source: RADB last-modified: 2023-11-13T15:52:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2738::/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: AS263885 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 route6: 2804:2738:3000::/36 descr: Central NET origin: AS263885 mnt-by: MAINT-AS263885 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20151202 #22:07:00(BRST) source: TC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2738:4000::/36 descr: Central NET origin: AS263885 mnt-by: MAINT-AS263885 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20151202 #22:07:00(BRST) source: TC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source