These entries are queried from radb.net using whois, you can try my project getting these.
:AS264148 route: 138.99.8.0/22 descr: ITX-BRASILNET origin: AS264148 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20181008 #18:11:42Z source: RADB last-modified: 2023-11-13T15:54:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.99.8.0/24 origin: AS264148 descr: AS264148-ROUTES admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20211124 #12:52:38Z source: RADB last-modified: 2023-11-13T16:08:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.99.9.0/24 origin: AS264148 descr: AS264148-ROUTES admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20211124 #12:53:25Z source: RADB last-modified: 2023-11-13T16:08:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.99.10.0/24 origin: AS264148 descr: AS264148-ROUTES admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20211124 #12:54:20Z source: RADB last-modified: 2023-11-13T16:08:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.99.11.0/24 origin: AS264148 descr: AS264148-ROUTES admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20211124 #12:54:51Z source: RADB last-modified: 2023-11-13T16:08:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2334::/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: AS264148 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200721 source: RADB last-modified: 2023-11-13T16:01:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2464::/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: AS264148 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200721 source: RADB last-modified: 2023-11-13T16:01:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source