These entries are queried from radb.net using whois, you can try my project getting these.
:AS263882 route: 138.204.56.0/22 descr: MTec Telecom LTDA. origin: AS263882 mnt-by: MAINT-AS263882 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20160202 #19:40:15(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: 138.204.56.0/22 descr: ASN263882 origin: AS263882 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20150930 #13:27:18Z source: RADB last-modified: 2023-11-13T15:48:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.204.56.0/23 descr: CLARO S.A. Customer origin: AS263882 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200831 source: RADB last-modified: 2023-11-13T16:01:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.204.58.0/23 descr: CLARO S.A. Customer origin: AS263882 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200831 source: RADB last-modified: 2023-11-13T16:01:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:272c::/32 origin: AS263882 descr: ITX-DB3 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20190401 #21:45:41Z source: RADB last-modified: 2023-11-13T15:55:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source