These entries are queried from radb.net using whois, you can try my project getting these.
:AS9820 route: 202.137.192.0/20 descr: Perth iX (136581) origin: AS9820 remarks: Do not use the notify or changed attribute to report incidents. remarks: Check the inetnum object at the regional registries for contact remarks: information (dereference the admin-c & tech-c attributes). notify: routing [at] connect.com.au mnt-by: MAINT-AS2764 changed: nobody [at] connect.com.au 20060330 source: RADB last-modified: 2023-11-13T16:16:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.17.161.0/24 descr: Control Systems International (Australia) Pty Ltd (136581) origin: AS9820 remarks: Do not use the notify or changed attribute to report incidents. remarks: Check the inetnum object at the regional registries for contact remarks: information (dereference the admin-c & tech-c attributes). notify: routing [at] connect.com.au mnt-by: MAINT-AS2764 changed: nobody [at] connect.com.au 20060330 source: RADB last-modified: 2023-11-13T16:16:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.17.251.0/24 descr: Data Analysis Australia Pty Ltd (0) origin: AS9820 remarks: Do not use the notify or changed attribute to report incidents. remarks: Check the inetnum object at the regional registries for contact remarks: information (dereference the admin-c & tech-c attributes). notify: routing [at] connect.com.au mnt-by: MAINT-AS2764 changed: nobody [at] connect.com.au 20000607 source: RADB last-modified: 2023-11-13T16:16:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.24.193.0/24 descr: Sausage Software Pty Ltd (0) origin: AS9820 remarks: Do not use the notify or changed attribute to report incidents. remarks: Check the inetnum object at the regional registries for contact remarks: information (dereference the admin-c & tech-c attributes). notify: routing [at] connect.com.au mnt-by: MAINT-AS2764 changed: cdry [at] connect.com.au 20011218 source: RADB last-modified: 2023-11-13T16:16:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.56.144.0/24 descr: Perth iX origin: AS9820 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20101202 source: RADB last-modified: 2023-11-13T16:05:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source