These entries are queried from radb.net using whois, you can try my project getting these.
:AS268298 route: 45.237.208.0/22 descr: TSN origin: AS268298 member-of: AS268298:RS-ROUTES notify: suporte [at] tsn.net.br geoidx: BR geoidx: BRA geoidx: 076 geoidx: BR-PE geoidx: Caruaru mnt-by: MAINT-AS268298 changed: suporte [at] tsn.net.br 20240327 source: TC last-modified: 2024-03-27T20:29:42Z rpki-ov-state: valid route: 45.237.208.0/22 descr: AS268298 origin: AS268298 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20180629 #17:52:38Z source: RADB last-modified: 2023-11-13T15:54:01Z rpki-ov-state: valid route: 45.237.208.0/23 descr: TSN origin: AS268298 member-of: AS268298:RS-ROUTES notify: suporte [at] tsn.net.br geoidx: BR geoidx: BRA geoidx: 076 geoidx: BR-PE geoidx: Caruaru mnt-by: MAINT-AS268298 changed: suporte [at] tsn.net.br 20240327 source: TC last-modified: 2024-03-27T20:29:42Z rpki-ov-state: valid route: 45.237.210.0/23 descr: TSN origin: AS268298 member-of: AS268298:RS-ROUTES notify: suporte [at] tsn.net.br geoidx: BR geoidx: BRA geoidx: 076 geoidx: BR-PE geoidx: Caruaru mnt-by: MAINT-AS268298 changed: suporte [at] tsn.net.br 20240327 source: TC last-modified: 2024-03-27T20:29:42Z rpki-ov-state: valid route6: 2804:4f04::/32 origin: AS268298 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: suporte [at] tsn.net.br mnt-by: MAINT-AS268298 source: TC last-modified: 2024-03-27T20:18:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4f04::/32 descr: AS268298 origin: AS268298 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20180629 #17:53:00Z source: RADB last-modified: 2023-11-13T15:54:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source