These entries are queried from radb.net using whois, you can try my project getting these.
:AS263898 route: 138.204.116.0/22 descr: PROXY FOR OUR CUSTUMER CONE origin: AS263898 mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210118 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.204.116.0/22 descr: G8 Customer Proxy Route origin: AS263898 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br source: RADB last-modified: 2023-12-12T23:00:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.204.119.0/24 descr: CLIENTE_MOB_Total Automa?????o Com. de Pe??as e Equip. Inf.. LTDA origin: AS263898 mnt-by: MAINT-AS28598 changed: mauricio.maehara [at] mobtelecom.com.br 20180504 #23:49:57Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2764::/32 descr: G8 Customer Proxy Route origin: AS263898 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br source: RADB last-modified: 2023-12-12T23:00:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2764::/32 descr: PROXY FOR OUR COSTUMER CONE origin: AS263898 mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210118 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2764:e000::/35 descr: CLARO S.A. Customer origin: AS263898 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191121 source: RADB last-modified: 2023-11-13T15:58:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source