These entries are queried from radb.net using whois, you can try my project getting these.
:AS131375 route: 103.16.0.0/22 descr: MIC-VN origin: AS131375 mnt-by: MAINT-VN-VNNIC last-modified: 2023-05-30T03:18:13Z source: APNIC rpki-ov-state: valid route: 103.16.0.0/22 origin: AS131375 descr: VNPT-Customer-MOLISA-AS-VN mnt-by: MAINT-AS45899 changed: radb [at] vnpt.vn 20221128 notify: ktm.ip [at] vnpt.vn source: RADB last-modified: 2023-11-13T16:13:09Z rpki-ov-state: valid route: 103.16.0.0/22 descr: MIC - VIET NAM origin: AS131375 notify: noc [at] vnn.vn notify: bachhm [at] vdc.com.vn mnt-by: MAINT-VDC changed: bachhm [at] vdc.com.vn 20130415 source: NTTCOM rpki-ov-state: valid route: 103.16.0.0/23 descr: Customer of Viettel MIC-AS-VN origin: AS131375 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20170814 source: NTTCOM rpki-ov-state: valid route: 103.16.0.0/23 descr: MIC-VN origin: AS131375 mnt-by: MAINT-VN-VNNIC last-modified: 2023-05-30T03:18:13Z source: APNIC rpki-ov-state: valid route: 103.16.0.0/24 descr: MIC-VN origin: AS131375 mnt-by: MAINT-VN-VNNIC last-modified: 2023-05-30T03:18:14Z source: APNIC rpki-ov-state: valid route: 103.16.0.0/24 descr: Customer of Viettel MIC-AS-VN origin: AS131375 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20170814 source: NTTCOM rpki-ov-state: valid route: 103.16.0.0/24 descr: CMI (Customer Route) origin: AS131375 mnt-by: MAINT-AS58453 changed: qas_support [at] cmi.chinamobile.com 20180620 source: RADB last-modified: 2023-11-13T15:54:00Z rpki-ov-state: valid route: 103.16.1.0/24 descr: Customer of Viettel MIC-AS-VN origin: AS131375 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20170814 source: NTTCOM rpki-ov-state: valid route: 103.16.1.0/24 descr: MIC-VN origin: AS131375 mnt-by: MAINT-VN-VNNIC last-modified: 2023-05-30T03:18:15Z source: APNIC rpki-ov-state: valid route: 103.16.2.0/23 descr: Customer of Viettel MIC-AS-VN origin: AS131375 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20170814 source: NTTCOM rpki-ov-state: valid route: 103.16.2.0/23 descr: MIC-VN origin: AS131375 mnt-by: MAINT-VN-VNNIC last-modified: 2023-05-30T03:18:15Z source: APNIC rpki-ov-state: valid route: 103.16.2.0/24 descr: Customer of Viettel MIC-AS-VN origin: AS131375 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20170814 source: NTTCOM rpki-ov-state: valid route: 103.16.2.0/24 descr: CMI (Customer Route) origin: AS131375 mnt-by: MAINT-AS58453 changed: qas_support [at] cmi.chinamobile.com 20180620 source: RADB last-modified: 2023-11-13T15:54:00Z rpki-ov-state: valid route: 103.16.2.0/24 descr: MIC-VN origin: AS131375 mnt-by: MAINT-VN-VNNIC last-modified: 2023-05-30T03:18:16Z source: APNIC rpki-ov-state: valid route: 103.16.3.0/24 descr: CMI (Customer Route) origin: AS131375 mnt-by: MAINT-AS58453 changed: qas_support [at] cmi.chinamobile.com 20180620 source: RADB last-modified: 2023-11-13T15:54:00Z rpki-ov-state: valid route: 103.16.3.0/24 descr: MIC-VN origin: AS131375 mnt-by: MAINT-VN-VNNIC last-modified: 2023-05-30T03:18:16Z source: APNIC rpki-ov-state: valid route: 103.16.3.0/24 descr: Customer of Viettel MIC-AS-VN origin: AS131375 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20170814 source: NTTCOM rpki-ov-state: valid route6: 2001:df5:bb00::/48 descr: MIC-VN origin: AS131375 mnt-by: MAINT-VN-VNNIC last-modified: 2023-05-30T03:18:17Z source: APNIC rpki-ov-state: valid route6: 2001:df5:bb00::/48 origin: AS131375 descr: MIC-AS-VN mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20191206 #02:05:17Z source: RADB last-modified: 2023-11-13T15:59:16Z rpki-ov-state: valid