These entries are queried from radb.net using whois, you can try my project getting these.
:AS268391 route: 45.160.36.0/22 descr: Gramnet Telecom LTDA origin: AS268391 mnt-by: MAINT-AS268391 changed: noc [at] gramnet.com.br 20230201 source: ALTDB rpki-ov-state: valid route: 45.160.36.0/22 origin: AS268391 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: noc [at] gramnet.com.br mnt-by: MAINT-AS268391 source: TC last-modified: 2023-01-31T13:04:45Z rpki-ov-state: valid route: 45.160.36.0/22 descr: ITX-MHNET origin: AS268391 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180731 #18:34:49Z source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: valid route: 45.160.36.0/23 descr: Gramnet Telecom LTDA origin: AS268391 mnt-by: MAINT-AS268391 changed: noc [at] gramnet.com.br 20230201 source: ALTDB rpki-ov-state: valid route: 45.160.36.0/24 descr: Gramnet Telecom LTDA origin: AS268391 mnt-by: MAINT-AS268391 changed: noc [at] gramnet.com.br 20230201 source: ALTDB rpki-ov-state: valid route: 45.160.37.0/24 descr: Gramnet Telecom LTDA origin: AS268391 mnt-by: MAINT-AS268391 changed: noc [at] gramnet.com.br 20230201 source: ALTDB rpki-ov-state: valid route: 45.160.38.0/23 descr: Gramnet Telecom LTDA origin: AS268391 mnt-by: MAINT-AS268391 changed: noc [at] gramnet.com.br 20230201 source: ALTDB rpki-ov-state: valid route: 45.160.38.0/24 descr: Gramnet Telecom LTDA origin: AS268391 mnt-by: MAINT-AS268391 changed: noc [at] gramnet.com.br 20230201 source: ALTDB rpki-ov-state: valid route: 45.160.39.0/24 descr: Gramnet Telecom LTDA origin: AS268391 mnt-by: MAINT-AS268391 changed: noc [at] gramnet.com.br 20230201 source: ALTDB rpki-ov-state: valid route6: 2804:5078::/32 origin: AS268391 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: noc [at] gramnet.com.br mnt-by: MAINT-AS268391 source: TC last-modified: 2023-01-31T13:04:46Z rpki-ov-state: valid route6: 2804:5078::/32 descr: Gramnet Telecom LTDA origin: AS268391 mnt-by: MAINT-AS268391 changed: noc [at] gramnet.com.br 20230201 source: ALTDB rpki-ov-state: valid route6: 2804:5078::/32 descr: ITX-MHNET origin: AS268391 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180731 #18:29:58Z source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: valid route6: 2804:5078::/33 descr: Gramnet Telecom LTDA origin: AS268391 mnt-by: MAINT-AS268391 changed: noc [at] gramnet.com.br 20230201 source: ALTDB rpki-ov-state: valid route6: 2804:5078:8000::/33 descr: Gramnet Telecom LTDA origin: AS268391 mnt-by: MAINT-AS268391 changed: noc [at] gramnet.com.br 20230201 source: ALTDB rpki-ov-state: valid