These entries are queried from radb.net using whois, you can try my project getting these.
:AS267674 route: 45.224.224.0/22 origin: AS267674 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: fsginfo [at] hotmail.com mnt-by: MAINT-AS267674 source: TC last-modified: 2022-08-03T18:52:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.224.224.0/22 descr: AS267674 origin: AS267674 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20171102 #17:21:02Z source: RADB last-modified: 2023-11-13T15:52:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4520::/32 origin: AS267674 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: fsginfo [at] hotmail.com mnt-by: MAINT-AS267674 source: TC last-modified: 2022-08-03T18:52:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4520::/32 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. origin: AS267674 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200730 source: RADB last-modified: 2023-11-13T16:01:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4520::/33 origin: AS267674 descr: AS267674 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20190904 #17:23:41Z source: RADB last-modified: 2023-11-13T15:57:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4520:8000::/33 descr: CLARO S.A. Customer origin: AS267674 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200702 source: RADB last-modified: 2023-11-13T16:01:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source