These entries are queried from radb.net using whois, you can try my project getting these.
:AS263589 route: 138.99.252.0/22 origin: AS263589 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: marcio [at] mgptelecom.com.br mnt-by: MAINT-AS263589 source: TC last-modified: 2021-10-18T14:01:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.205.20.0/22 origin: AS263589 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: marcio [at] mgptelecom.com.br mnt-by: MAINT-AS263589 source: TC last-modified: 2021-10-18T14:01:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.238.148.0/22 origin: AS263589 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: marcio [at] mgptelecom.com.br mnt-by: MAINT-AS263589 source: TC last-modified: 2021-10-18T14:01:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 179.109.200.0/21 origin: AS263589 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: marcio [at] mgptelecom.com.br mnt-by: MAINT-AS263589 source: TC last-modified: 2021-10-18T14:01:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 179.109.200.0/22 origin: AS263589 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: marcio [at] mgptelecom.com.br mnt-by: MAINT-AS263589 source: TC last-modified: 2021-10-18T14:01:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 179.109.204.0/22 origin: AS263589 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: marcio [at] mgptelecom.com.br mnt-by: MAINT-AS263589 source: TC last-modified: 2021-10-18T14:01:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:f84::/32 descr: VESX to MGP TELECOM origin: AS263589 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: epafras [at] durand.com.br 20200211 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:f84::/32 origin: AS263589 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: marcio [at] mgptelecom.com.br mnt-by: MAINT-AS263589 source: TC last-modified: 2021-10-18T14:01:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source