These entries are queried from radb.net using whois, you can try my project getting these.
:AS58474 route: 43.248.212.0/22 descr: Route object of MANGONET descr: Internet Service Provider descr: Kebayoran Baru Jakarta Selatan origin: AS58474 mnt-by: MAINT-ID-MANGONET last-modified: 2018-02-23T06:58:33Z source: IDNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.248.212.0/22 descr: Route object of MANGONET descr: Internet Service Provider descr: Kebayoran Baru Jakarta Selatan origin: AS58474 mnt-by: MAINT-ID-MANGONET last-modified: 2018-02-23T06:58:33Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.248.212.0/24 descr: Route object of PT. Matrixnet Global Indonesia origin: AS58474 mnt-by: MNT-APJII-ID country: ID mnt-lower: MAINT-ID-MANGONET last-modified: 2020-12-18T12:05:05Z source: APNIC rpki-ov-state: valid route: 43.248.212.0/24 origin: AS58474 descr: AS58474 - 43.248.212.0/24 admin-c: AR596-AP tech-c: AR596-AP remarks: Send peering request to ipnoc [at] transhybrid.net.id notify: ipnoc [at] transhybrid.net.id mnt-by: MAINT-AS24534 changed: waras.dwi [at] transhybrid.net.id 20240314 # 0807Z source: RADB last-modified: 2024-03-14T08:07:33Z rpki-ov-state: valid route: 43.248.213.0/24 origin: AS58474 descr: AS58474 - 43.248.213.0/24 admin-c: AR596-AP tech-c: AR596-AP remarks: Send peering request to ipnoc [at] transhybrid.net.id notify: ipnoc [at] transhybrid.net.id mnt-by: MAINT-AS24534 changed: waras.dwi [at] transhybrid.net.id 20240314 # 0808Z source: RADB last-modified: 2024-03-14T08:08:49Z rpki-ov-state: valid route: 43.248.213.0/24 descr: Route object of PT. Matrixnet Global Indonesia origin: AS58474 mnt-by: MNT-APJII-ID country: ID mnt-lower: MAINT-ID-MANGONET last-modified: 2020-12-18T12:05:10Z source: APNIC rpki-ov-state: valid route: 43.248.214.0/24 descr: Route object of PT. Matrixnet Global Indonesia origin: AS58474 mnt-by: MNT-APJII-ID country: ID mnt-lower: MAINT-ID-MANGONET last-modified: 2020-12-18T12:05:14Z source: APNIC rpki-ov-state: valid route: 43.248.214.0/24 origin: AS58474 descr: AS58474 - 43.248.214.0/24 admin-c: AR596-AP tech-c: AR596-AP remarks: Send peering request to ipnoc [at] transhybrid.net.id notify: ipnoc [at] transhybrid.net.id mnt-by: MAINT-AS24534 changed: waras.dwi [at] transhybrid.net.id 20240314 # 0814Z source: RADB last-modified: 2024-03-14T08:14:12Z rpki-ov-state: valid route: 43.248.215.0/24 origin: AS58474 descr: AS58474 - 43.248.215.0/24 admin-c: AR596-AP tech-c: AR596-AP remarks: Send peering request to ipnoc [at] transhybrid.net.id notify: ipnoc [at] transhybrid.net.id mnt-by: MAINT-AS24534 changed: waras.dwi [at] transhybrid.net.id 20240314 # 0817Z source: RADB last-modified: 2024-03-14T08:17:52Z rpki-ov-state: valid route: 43.248.215.0/24 descr: Route object of PT. Matrixnet Global Indonesia origin: AS58474 mnt-by: MNT-APJII-ID country: ID mnt-lower: MAINT-ID-MANGONET last-modified: 2020-12-18T12:05:21Z source: APNIC rpki-ov-state: valid route: 103.28.56.0/22 descr: Route object of MANGONET descr: Internet Service Provider descr: Kebayoran Baru Jakarta Selatan origin: AS58474 country: ID mnt-by: MAINT-ID-MANGONET last-modified: 2012-03-02T09:30:22Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.28.56.0/22 descr: Routes announced to Level 3 by BIZNET. origin: AS58474 mnt-by: BIZNET-MNT changed: noc [at] biznetnetworks.com 20161226 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.28.56.0/22 descr: Route object of MANGONET descr: Internet Service Provider descr: Kebayoran Baru Jakarta Selatan origin: AS58474 country: ID mnt-by: MAINT-ID-MANGONET last-modified: 2012-03-02T09:30:22Z source: IDNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.28.56.0/24 descr: Route object of PT. Matrixnet Global Indonesia descr: origin: AS58474 mnt-by: MNT-APJII-ID country: ID mnt-lower: MAINT-ID-MANGONET last-modified: 2020-12-18T12:04:28Z source: APNIC rpki-ov-state: valid route: 103.28.56.0/24 origin: AS58474 descr: AS58474 - 103.28.56.0/24 admin-c: AR596-AP tech-c: AR596-AP remarks: Send peering request to ipnoc [at] transhybrid.net.id notify: ipnoc [at] transhybrid.net.id mnt-by: MAINT-AS24534 changed: waras.dwi [at] transhybrid.net.id 20240314 # 0845Z source: RADB last-modified: 2024-03-14T08:45:42Z rpki-ov-state: valid route: 103.28.57.0/24 origin: AS58474 descr: AS58474 - 103.28.57.0/24 admin-c: AR596-AP tech-c: AR596-AP remarks: Send peering request to ipnoc [at] transhybrid.net.id notify: ipnoc [at] transhybrid.net.id mnt-by: MAINT-AS24534 changed: waras.dwi [at] transhybrid.net.id 20240314 # 0847Z source: RADB last-modified: 2024-03-14T08:47:22Z rpki-ov-state: valid route: 103.28.57.0/24 descr: Route object of PT. Matrixnet Global Indonesia descr: origin: AS58474 mnt-by: MNT-APJII-ID country: ID mnt-lower: MAINT-ID-MANGONET last-modified: 2020-12-18T12:04:37Z source: APNIC rpki-ov-state: valid route: 103.28.58.0/24 origin: AS58474 descr: AS58474 - 103.28.58.0/24 admin-c: AR596-AP tech-c: AR596-AP remarks: Send peering request to ipnoc [at] transhybrid.net.id notify: ipnoc [at] transhybrid.net.id mnt-by: MAINT-AS24534 changed: waras.dwi [at] transhybrid.net.id 20240314 # 0848Z source: RADB last-modified: 2024-03-14T08:48:28Z rpki-ov-state: valid route: 103.28.58.0/24 descr: Route object of PT. Matrixnet Global Indonesia origin: AS58474 mnt-by: MNT-APJII-ID country: ID mnt-lower: MAINT-ID-MANGONET last-modified: 2020-12-18T12:04:45Z source: APNIC rpki-ov-state: valid route: 103.28.59.0/24 origin: AS58474 descr: AS58474 - 103.28.59.0/24 admin-c: AR596-AP tech-c: AR596-AP remarks: Send peering request to ipnoc [at] transhybrid.net.id notify: ipnoc [at] transhybrid.net.id mnt-by: MAINT-AS24534 changed: waras.dwi [at] transhybrid.net.id 20240314 # 0849Z source: RADB last-modified: 2024-03-14T08:49:46Z rpki-ov-state: valid route: 103.28.59.0/24 descr: Route object of PT. Matrixnet Global Indonesia origin: AS58474 mnt-by: MNT-APJII-ID country: ID mnt-lower: MAINT-ID-MANGONET last-modified: 2020-12-18T12:04:51Z source: APNIC rpki-ov-state: valid route6: 2404:fb00::/32 origin: AS58474 descr: PT MATRIXNET GLOBAL mnt-by: MAINT-AS136106 changed: sabirin.muhtar [at] fiberstar.co.id 20221103 #04:20:49Z source: RADB last-modified: 2023-11-13T16:13:05Z rpki-ov-state: valid