These entries are queried from radb.net using whois, you can try my project getting these.
:AS55506 route: 203.23.31.0/24 descr: Pentana Solutions Inc. origin: AS55506 remarks: IP Transit Client notify: nas1-n4i [at] pldt.com.ph notify: NetRes_Core [at] pldt.com.ph mnt-by: MAINT-PLDT changed: cemanalang [at] pldt.com.ph 20121001 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.23.31.0/24 descr: Telstra_Pentana Solutions (DCSA) origin: AS55506 notify: net-support [at] ap.equinix.com notify: ap-noc [at] ap.equinix.com mnt-by: MAINT-AS17819 changed: cnillas [at] ap.equinix.com 20160526 source: RADB last-modified: 2023-11-13T15:51:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.25.31.0/24 descr: Pentana Solutions origin: AS55506 country: AU mnt-lower: MAINT-AU-PENTANA mnt-routes: MAINT-AU-PENTANA mnt-by: MAINT-AU-PENTANA last-modified: 2011-05-23T03:53:08Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.25.31.0/24 descr: Telstra_Pentana Solutions (DCSA) origin: AS55506 notify: net-support [at] ap.equinix.com notify: ap-noc [at] ap.equinix.com mnt-by: MAINT-AS17819 changed: cnillas [at] ap.equinix.com 20160526 source: RADB last-modified: 2023-11-13T15:51:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.25.40.0/22 descr: Reynolds and Reynolds Pty Ltd (7326) origin: AS55506 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 20120124 source: RADB last-modified: 2023-11-13T16:16:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.25.40.0/24 descr: Telstra_Pentana Solutions (DCSA) origin: AS55506 notify: net-support [at] ap.equinix.com notify: ap-noc [at] ap.equinix.com mnt-by: MAINT-AS17819 changed: cnillas [at] ap.equinix.com 20160526 source: RADB last-modified: 2023-11-13T15:51:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.25.42.0/24 descr: Telstra_Pentana Solutions (DCSA) origin: AS55506 notify: net-support [at] ap.equinix.com notify: ap-noc [at] ap.equinix.com mnt-by: MAINT-AS17819 changed: cnillas [at] ap.equinix.com 20160526 source: RADB last-modified: 2023-11-13T15:51:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.25.43.0/24 descr: Telstra_Pentana Solutions (DCSA) origin: AS55506 notify: net-support [at] ap.equinix.com notify: ap-noc [at] ap.equinix.com mnt-by: MAINT-AS17819 changed: cnillas [at] ap.equinix.com 20160526 source: RADB last-modified: 2023-11-13T15:51:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source