These entries are queried from radb.net using whois, you can try my project getting these.
:AS263383 route: 177.87.12.0/22 descr: AS263383 origin: AS263383 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20140822 #12:09:08Z source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.87.12.0/24 descr: GNET origin: AS263383 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180626 #03:54:52Z source: RADB last-modified: 2023-11-13T15:54:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.87.13.0/24 descr: GNET origin: AS263383 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180626 #03:55:06Z source: RADB last-modified: 2023-11-13T15:54:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.87.14.0/24 descr: GNET origin: AS263383 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180626 #03:55:23Z source: RADB last-modified: 2023-11-13T15:54:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.87.15.0/24 descr: GNET origin: AS263383 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180626 #03:55:30Z source: RADB last-modified: 2023-11-13T15:54:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1550::/32 descr: AS263383 origin: AS263383 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20150629 #13:49:03Z source: RADB last-modified: 2023-11-13T15:47:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source