These entries are queried from radb.net using whois, you can try my project getting these.
:AS270399 route: 190.89.4.0/22 descr: PROXY FOR OPENX CUSTOMER origin: AS270399 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20230531 remarks: Wed May 31 15:42:22 2023 source: RADB last-modified: 2023-11-13T16:17:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.89.4.0/23 origin: AS270399 descr: AS270399 admin-c: ENV6-NICBR tech-c: GEGOL19-NICBR mnt-by: MAINT-AS53180 changed: edson.vieira [at] infortel.net.br 20200821 #21:57:52Z source: RADB last-modified: 2023-11-13T16:01:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.89.4.0/24 origin: AS270399 descr: AS270399 admin-c: ENV6-NICBR tech-c: GEGOL19-NICBR mnt-by: MAINT-AS53180 changed: edson.vieira [at] infortel.net.br 20200821 #22:00:24Z source: RADB last-modified: 2023-11-13T16:01:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.89.5.0/24 origin: AS270399 descr: AS270399 admin-c: ENV6-NICBR tech-c: GEGOL19-NICBR mnt-by: MAINT-AS53180 changed: edson.vieira [at] infortel.net.br 20200821 #22:01:30Z source: RADB last-modified: 2023-11-13T16:01:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.89.6.0/23 origin: AS270399 descr: AS270399 admin-c: ENV6-NICBR tech-c: GEGOL19-NICBR mnt-by: MAINT-AS53180 changed: edson.vieira [at] infortel.net.br 20200821 #21:58:57Z source: RADB last-modified: 2023-11-13T16:01:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.89.6.0/24 origin: AS270399 descr: AS270399 admin-c: ENV6-NICBR tech-c: GEGOL19-NICBR mnt-by: MAINT-AS53180 changed: edson.vieira [at] infortel.net.br 20200821 #22:02:29Z source: RADB last-modified: 2023-11-13T16:01:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.89.7.0/24 origin: AS270399 descr: AS270399 admin-c: ENV6-NICBR tech-c: GEGOL19-NICBR mnt-by: MAINT-AS53180 changed: edson.vieira [at] infortel.net.br 20200821 #22:09:39Z source: RADB last-modified: 2023-11-13T16:01:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6b6c::/32 descr: PROXY FOR OPENX CUSTOMER origin: AS270399 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20230531 remarks: Wed May 31 15:36:18 2023 source: RADB last-modified: 2023-11-13T16:17:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source