These entries are queried from radb.net using whois, you can try my project getting these.
:AS134842 route: 103.203.152.0/22 descr: Proxy-registered route object origin: AS134842 notify: ipnoc [at] pgascom.co.id mnt-by: MAINT-AS58463 changed: ipnoc [at] pgascom.co.id 20170221 source: RADB last-modified: 2023-11-13T15:53:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.203.152.0/22 descr: PGAS TELECOMMUNICATIONS INTERNATIONAL PTE. LTD origin: AS134842 mnt-by: MAINT-PTIPL-SG last-modified: 2015-12-02T10:51:24Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.203.152.0/23 descr: PGAS TELECOMMUNICATIONS INTERNATIONAL PTE. LTD origin: AS134842 mnt-by: MAINT-PTIPL-SG last-modified: 2015-12-02T10:51:04Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.203.152.0/23 descr: Proxy-registered route object origin: AS134842 notify: ipnoc [at] pgascom.co.id mnt-by: MAINT-AS58463 changed: ipnoc [at] pgascom.co.id 20170221 source: RADB last-modified: 2023-11-13T15:53:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.203.152.0/24 descr: Proxy-registered route object origin: AS134842 notify: ipnoc [at] pgascom.co.id mnt-by: MAINT-AS58463 changed: ipnoc [at] pgascom.co.id 20170221 source: RADB last-modified: 2023-11-13T15:53:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.203.152.0/24 descr: PGAS TELECOMMUNICATIONS INTERNATIONAL PTE. LTD origin: AS134842 mnt-by: MAINT-PTIPL-SG last-modified: 2015-12-02T10:45:44Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.203.153.0/24 descr: PGAS TELECOMMUNICATIONS INTERNATIONAL PTE. LTD origin: AS134842 mnt-by: MAINT-PTIPL-SG last-modified: 2015-12-02T10:48:34Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.203.153.0/24 descr: Proxy-registered route object origin: AS134842 notify: ipnoc [at] pgascom.co.id mnt-by: MAINT-AS58463 changed: ipnoc [at] pgascom.co.id 20170221 source: RADB last-modified: 2023-11-13T15:53:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.203.154.0/23 descr: PGAS TELECOMMUNICATIONS INTERNATIONAL PTE. LTD origin: AS134842 mnt-by: MAINT-PTIPL-SG last-modified: 2015-12-02T10:51:14Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.203.154.0/23 descr: Proxy-registered route object origin: AS134842 notify: ipnoc [at] pgascom.co.id mnt-by: MAINT-AS58463 changed: ipnoc [at] pgascom.co.id 20170221 source: RADB last-modified: 2023-11-13T15:53:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.203.154.0/24 descr: Proxy-registered route object origin: AS134842 notify: ipnoc [at] pgascom.co.id mnt-by: MAINT-AS58463 changed: ipnoc [at] pgascom.co.id 20170221 source: RADB last-modified: 2023-11-13T15:53:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.203.154.0/24 descr: PGAS TELECOMMUNICATIONS INTERNATIONAL PTE. LTD origin: AS134842 mnt-by: MAINT-PTIPL-SG last-modified: 2015-12-02T10:48:41Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.203.155.0/24 descr: PGAS TELECOMMUNICATIONS INTERNATIONAL PTE. LTD origin: AS134842 mnt-by: MAINT-PTIPL-SG last-modified: 2015-12-02T10:48:49Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.203.155.0/24 descr: Proxy-registered route object origin: AS134842 notify: ipnoc [at] pgascom.co.id mnt-by: MAINT-AS58463 changed: ipnoc [at] pgascom.co.id 20170221 source: RADB last-modified: 2023-11-13T15:53:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source