These entries are queried from radb.net using whois, you can try my project getting these.
:AS131362 route: 103.9.212.0/22 descr: HNX - VIET NAM origin: AS131362 notify: noc [at] vnn.vn notify: bachhm [at] vdc.com.vn mnt-by: MAINT-VDC changed: bachhm [at] vdc.com.vn 20120625 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.9.212.0/23 descr: HNX-VN origin: AS131362 mnt-by: MAINT-VN-VNNIC last-modified: 2022-07-28T07:31:33Z source: APNIC rpki-ov-state: valid route: 103.9.212.0/24 descr: HNX-VN origin: AS131362 notify: noc [at] vnn.vn notify: luanlt [at] vdc.com.vn notify: ntcong [at] vdc.com.vn mnt-by: MAINT-VDC changed: htruong [at] vdc.com.vn 20141008 source: NTTCOM rpki-ov-state: valid route: 103.9.212.0/24 descr: HaNoi Stock Exchange origin: AS131362 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20161210 #15:24:39Z source: RADB last-modified: 2023-11-13T15:50:11Z rpki-ov-state: valid route: 103.9.212.0/24 descr: HNX-VN origin: AS131362 mnt-by: MAINT-VN-VNNIC last-modified: 2022-07-28T07:31:36Z source: APNIC rpki-ov-state: valid route: 103.9.213.0/24 descr: CMI IP Transit origin: AS131362 admin-c: MAINT-CMI-INT-HK tech-c: MAINT-CMI-INT-HK mnt-by: MAINT-CMI-INT-HK changed: qas_support [at] cmi.chinamobile.com 20180620 source: NTTCOM rpki-ov-state: valid route: 103.9.213.0/24 descr: HaNoi Stock Exchange origin: AS131362 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20161210 #15:25:04Z source: RADB last-modified: 2023-11-13T15:50:11Z rpki-ov-state: valid route: 103.9.213.0/24 descr: HNX-VN origin: AS131362 mnt-by: MAINT-VN-VNNIC last-modified: 2022-07-28T07:31:38Z source: APNIC rpki-ov-state: valid route: 103.9.214.0/24 descr: HNX-VN origin: AS131362 notify: noc [at] vnn.vn notify: luanlt [at] vdc.com.vn notify: ntcong [at] vdc.com.vn mnt-by: MAINT-VDC changed: htruong [at] vdc.com.vn 20141008 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.9.214.0/24 descr: HaNoi Stock Exchange origin: AS131362 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20161210 #15:25:42Z source: RADB last-modified: 2023-11-13T15:50:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.9.215.0/24 descr: HNX-VN origin: AS131362 notify: noc [at] vnn.vn notify: luanlt [at] vdc.com.vn notify: ntcong [at] vdc.com.vn mnt-by: MAINT-VDC changed: htruong [at] vdc.com.vn 20141008 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source