These entries are queried from radb.net using whois, you can try my project getting these.
:AS37990 route: 203.4.168.0/22 descr: NRG Gladstone Operating Services (7326) origin: AS37990 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 20100609 source: RADB last-modified: 2023-11-13T16:16:05Z rpki-ov-state: valid route: 203.4.168.0/24 origin: AS37990 descr: NRG Gladstone Operating Services Pty Ltd Gladstone Power Station Hanson Road mnt-by: MAINT-AU-NRGGOS last-modified: 2024-04-02T04:41:53Z source: APNIC rpki-ov-state: valid route: 203.4.169.0/24 origin: AS37990 descr: NRG Gladstone Operating Services admin-c: RT653-AP tech-c: RT653-AP notify: xrobau [at] gmail.com mnt-by: MAINT-AS9449 changed: xrobau [at] gmail.com 20230921 #01:59:12Z source: RADB last-modified: 2023-11-13T16:18:37Z rpki-ov-state: valid route: 203.4.169.0/24 origin: AS37990 descr: NRG Gladstone Operating Services Pty Ltd Gladstone Power Station Hanson Road mnt-by: MAINT-AU-NRGGOS last-modified: 2024-04-02T04:45:24Z source: APNIC rpki-ov-state: valid route: 203.4.170.0/23 origin: AS37990 descr: NRG Gladstone Operating Services Pty Ltd Gladstone Power Station Hanson Road mnt-by: MAINT-AU-NRGGOS last-modified: 2024-04-02T04:41:54Z source: APNIC rpki-ov-state: valid route6: 2001:df0:206::/48 origin: AS37990 descr: NRG GOS admin-c: RT7924-RIPE tech-c: RT7924-RIPE notify: xrobau [at] gmail.com mnt-by: MAINT-AS9449 changed: xrobau [at] gmail.com 20200609 #04:57:55Z source: RADB last-modified: 2023-11-13T16:00:58Z rpki-ov-state: valid