These entries are queried from radb.net using whois, you can try my project getting these.
:AS262473 route: 177.47.208.0/20 descr: SAMISSA TELECOM origin: AS262473 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS262473 changed: db-admin [at] bgp.net.br 20200505 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: 177.47.208.0/20 descr: G8 Customer Proxy Route origin: AS262473 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210806 source: RADB last-modified: 2023-11-13T16:08:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.208.0/20 descr: PROXY FOR OUR CUSTOMER CONE origin: AS262473 mnt-by: MAINT-AS268200 changed: noc [at] liveinternet.com.br 20211007 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.208.0/22 descr: SAMISSA TELECOM origin: AS262473 notify: jetelecom [at] jetelecom.com.br mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210929 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.208.0/23 descr: SAMISSA-177.47.208-23 origin: AS262473 mnt-by: MAINT-AS262473 changed: db-admin [at] bgp.net.br 20200505 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: 177.47.210.0/23 descr: SAMISSA-177.47.208-23 origin: AS262473 mnt-by: MAINT-AS262473 changed: db-admin [at] bgp.net.br 20200505 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: 177.47.212.0/22 descr: SAMISSA TELECOM origin: AS262473 notify: jetelecom [at] jetelecom.com.br mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210929 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.212.0/23 descr: SAMISSA-177.47.208-23 origin: AS262473 mnt-by: MAINT-AS262473 changed: db-admin [at] bgp.net.br 20200505 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: 177.47.214.0/23 descr: SAMISSA-177.47.208-23 origin: AS262473 mnt-by: MAINT-AS262473 changed: db-admin [at] bgp.net.br 20200505 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: 177.47.216.0/22 descr: SAMISSA TELECOM origin: AS262473 notify: jetelecom [at] jetelecom.com.br mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210929 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.216.0/23 descr: SAMISSA-177.47.208-23 origin: AS262473 mnt-by: MAINT-AS262473 changed: db-admin [at] bgp.net.br 20200505 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: 177.47.218.0/23 descr: SAMISSA-177.47.208-23 origin: AS262473 mnt-by: MAINT-AS262473 changed: db-admin [at] bgp.net.br 20200505 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: 177.47.220.0/22 descr: SAMISSA TELECOM origin: AS262473 notify: jetelecom [at] jetelecom.com.br mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210929 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.220.0/23 descr: SAMISSA-177.47.208-23 origin: AS262473 mnt-by: MAINT-AS262473 changed: db-admin [at] bgp.net.br 20200505 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: 177.47.220.0/24 descr: G8 Customer Proxy Route origin: AS262473 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.222.0/23 descr: SAMISSA-177.47.208-23 origin: AS262473 mnt-by: MAINT-AS262473 changed: db-admin [at] bgp.net.br 20200505 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7f94::/32 descr: PROXY FOR OUR CUSTOMER CONE origin: AS262473 mnt-by: MAINT-AS268200 changed: noc [at] liveinternet.com.br 20211007 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7f94::/32 descr: G8 Customer Proxy Route origin: AS262473 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source