These entries are queried from radb.net using whois, you can try my project getting these.
:AS268845 route: 45.173.240.0/22 origin: AS268845 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: samirmansur2 [at] gmail.com mnt-by: MAINT-AS268845 source: TC last-modified: 2021-06-14T12:06:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.173.240.0/22 descr: SAMM origin: AS268845 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20190514 #20:34:29Z source: RADB last-modified: 2023-11-13T15:56:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.173.240.0/23 descr: CLARO S.A. Customer origin: AS268845 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211116 source: RADB last-modified: 2023-11-13T16:08:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:5b70::/32 origin: AS268845 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: samirmansur2 [at] gmail.com mnt-by: MAINT-AS268845 source: TC last-modified: 2021-06-14T12:06:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:5b70::/32 origin: AS268845 descr: ITX-SAMM mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20190514 #20:36:40Z source: RADB last-modified: 2023-11-13T15:56:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source