These entries are queried from radb.net using whois, you can try my project getting these.
:AS52660 route: 177.66.248.0/21 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:27:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.248.0/21 descr: G8 Customer Proxy Route origin: AS52660 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20200208 source: RADB last-modified: 2023-11-13T15:59:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.248.0/22 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:27:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.248.0/23 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:27:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.248.0/24 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:27:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.249.0/24 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:27:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.250.0/23 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:27:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.250.0/24 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:27:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.251.0/24 origin: AS52660 descr: e.serv informatica e tecnologia ltda. mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20200823 #22:49:26Z source: RADB last-modified: 2023-11-13T16:01:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.251.0/24 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:27:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.252.0/22 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:27:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.252.0/23 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:27:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.252.0/24 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:27:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.253.0/24 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:27:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.254.0/23 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:27:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.254.0/24 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:27:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.255.0/24 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:27:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:c04::/32 descr: G8 Customer Proxy Route origin: AS52660 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20200208 source: RADB last-modified: 2023-11-13T15:59:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:c04::/32 descr: MeuTelecom origin: AS52660 notify: ricardo.oliveira.neves [at] gmail.com mnt-by: MAINT-AS52660 changed: ricardo.oliveira.neves [at] gmail.com 20230321 source: TC last-modified: 2023-03-21T19:37:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source