These entries are queried from radb.net using whois, you can try my project getting these.
:AS270962 route: 187.84.120.0/22 descr: BLOCO IPV4 ASSISTEC origin: AS270962 mnt-by: MAINT-AS270962 changed: lucas [at] assistecjaborandi.com.br 20200904 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.84.120.0/22 origin: AS270962 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: lucas [at] assistecjaborandi.com.br mnt-by: MAINT-AS270962 source: TC last-modified: 2021-12-19T15:20:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.84.120.0/22 origin: AS270962 descr: EXPLORER_BARRETOS mnt-by: MAINT-AS22381 changed: alisson.david [at] megatelecom.com.br 20220316 #18:56:47Z source: RADB last-modified: 2023-11-13T16:10:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7428::/32 descr: BLOCO IPV6 ASSISTEC origin: AS270962 mnt-by: MAINT-AS270962 changed: lucas [at] assistecjaborandi.com.br 20200904 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7428::/32 origin: AS270962 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: lucas [at] assistecjaborandi.com.br mnt-by: MAINT-AS270962 source: TC last-modified: 2021-12-19T15:20:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7428::/32 origin: AS270962 descr: EXPLORER_BARRETOS mnt-by: MAINT-AS22381 changed: alisson.david [at] megatelecom.com.br 20220316 #19:14:02Z source: RADB last-modified: 2023-11-13T16:10:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source