These entries are queried from radb.net using whois, you can try my project getting these.
:AS266560 route: 45.7.16.0/22 descr: STEELWEB-CUSTOMER origin: AS266560 mnt-by: MAINT-AS263047 changed: eng [at] linkfull.com.br 20171008 #16:15:46Z source: RADB last-modified: 2023-11-13T15:58:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.7.16.0/23 origin: AS266560 descr: CUSTOMER STEELWEB mnt-by: MAINT-AS265187 changed: thiago [at] steelwebtelecom.com.br 20190324 #11:53:15Z source: RADB last-modified: 2024-01-22T22:00:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.7.16.0/24 origin: AS266560 descr: CUSTOMER-STEELWEB mnt-by: MAINT-AS265187 changed: thiago [at] steelwebtelecom.com.br 20191103 #13:34:25Z source: RADB last-modified: 2024-01-22T22:00:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.7.17.0/24 origin: AS266560 descr: CUSTOMER-STEELWEB mnt-by: MAINT-AS265187 changed: thiago [at] steelwebtelecom.com.br 20191103 #13:34:57Z source: RADB last-modified: 2024-01-22T22:00:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.7.18.0/23 origin: AS266560 descr: CUSTOMER STEELWEB mnt-by: MAINT-AS265187 changed: thiago [at] steelwebtelecom.com.br 20190324 #11:54:43Z source: RADB last-modified: 2024-01-22T22:00:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.7.18.0/24 origin: AS266560 descr: CUSTOMER-STEELWEB mnt-by: MAINT-AS265187 changed: thiago [at] steelwebtelecom.com.br 20191103 #13:35:31Z source: RADB last-modified: 2024-01-22T22:00:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.7.19.0/24 origin: AS266560 descr: CUSTOMER-STEELWEB mnt-by: MAINT-AS265187 changed: thiago [at] steelwebtelecom.com.br 20191103 #13:36:02Z source: RADB last-modified: 2024-01-22T22:00:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:3de4::/32 descr: CUSTOMER L.J. DE CARVALHO NET - ME origin: AS266560 mnt-by: MAINT-AS28598 changed: cassio.passos [at] mobtelecom.com.br 20180821 #18:12:37Z source: RADB last-modified: 2023-11-13T16:12:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source