These entries are queried from radb.net using whois, you can try my project getting these.
:AS135944 route: 103.159.54.0/24 descr: HT3VIETNAM-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2022-11-24T15:32:10Z source: APNIC rpki-ov-state: valid route: 103.159.55.0/24 descr: HT3VIETNAM-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2022-03-03T12:22:48Z source: APNIC rpki-ov-state: valid route: 103.165.144.0/23 descr: Customer of Viettel IDC, EXA-VN, VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20220104 source: NTTCOM last-modified: 2022-01-04T03:55:42Z rpki-ov-state: valid route: 103.165.144.0/23 descr: EXA-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2021-05-04T07:18:04Z source: APNIC rpki-ov-state: valid route: 103.165.144.0/24 descr: EXA-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2023-09-29T09:27:47Z source: APNIC rpki-ov-state: valid route: 103.165.144.0/24 descr: Customer of Viettel IDC, EXA-VN, VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20220104 source: NTTCOM last-modified: 2022-01-04T03:55:42Z rpki-ov-state: valid route: 103.165.145.0/24 descr: EXA-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2023-09-29T09:27:48Z source: APNIC rpki-ov-state: valid route: 103.165.145.0/24 descr: Customer of Viettel IDC, EXA-VN, VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20220104 source: NTTCOM last-modified: 2022-01-04T03:55:42Z rpki-ov-state: valid route: 103.199.8.0/22 descr: GLTEC-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2024-04-10T09:45:01Z source: APNIC rpki-ov-state: valid route: 103.199.8.0/23 descr: Customer of Viettel GLTEC, VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20231225 source: NTTCOM last-modified: 2023-12-25T07:24:37Z rpki-ov-state: valid route: 103.199.8.0/23 descr: GLTEC-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2024-04-10T01:25:04Z source: APNIC rpki-ov-state: valid route: 103.199.8.0/24 descr: Customer of Viettel GLTEC, VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20231225 source: NTTCOM last-modified: 2023-12-25T07:24:37Z rpki-ov-state: valid route: 103.199.8.0/24 origin: AS135944 descr: VinhNam Commercial informatics service corporation mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20220710 #02:08:20Z source: RADB last-modified: 2023-11-13T16:11:44Z rpki-ov-state: valid route: 103.199.8.0/24 descr: GLTEC-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2022-09-12T07:18:02Z source: APNIC rpki-ov-state: valid route: 103.199.9.0/24 descr: GLTEC-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2022-09-12T07:18:35Z source: APNIC rpki-ov-state: valid route: 103.199.9.0/24 origin: AS135944 descr: VinhNam Commercial informatics service corporation mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20220710 #02:09:20Z source: RADB last-modified: 2023-11-13T16:11:44Z rpki-ov-state: valid route: 103.199.11.0/24 descr: GLTEC-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2023-09-29T01:11:35Z source: APNIC rpki-ov-state: valid route: 103.216.124.0/22 descr: Customer of Viettel VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20190613 source: NTTCOM rpki-ov-state: valid route: 103.216.124.0/22 origin: AS135944 descr: VINACIS-AS-VN mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20190126 #15:44:05Z source: RADB last-modified: 2023-11-13T15:55:26Z rpki-ov-state: valid route: 103.216.124.0/22 descr: VINACIS-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2022-09-13T07:33:14Z source: APNIC rpki-ov-state: valid route: 103.216.124.0/23 descr: VINACIS-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2022-09-13T07:33:16Z source: APNIC rpki-ov-state: valid route: 103.216.124.0/24 descr: Customer of Viettel VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20190613 source: NTTCOM rpki-ov-state: valid route: 103.216.124.0/24 descr: VINACIS-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2022-09-13T07:33:18Z source: APNIC rpki-ov-state: valid route: 103.216.125.0/24 descr: VINACIS-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2022-09-13T07:33:20Z source: APNIC rpki-ov-state: valid route: 103.216.125.0/24 descr: Customer of Viettel VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20190613 source: NTTCOM rpki-ov-state: valid route: 103.216.126.0/23 descr: VINACIS-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2022-09-13T07:33:22Z source: APNIC rpki-ov-state: valid route: 103.216.126.0/24 descr: Customer of Viettel VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20190613 source: NTTCOM rpki-ov-state: valid route: 103.216.126.0/24 descr: VINACIS-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2022-09-13T07:33:25Z source: APNIC rpki-ov-state: valid route: 103.216.127.0/24 descr: VINACIS-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2022-09-13T07:33:27Z source: APNIC rpki-ov-state: valid route: 103.216.127.0/24 descr: Customer of Viettel VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20190613 source: NTTCOM rpki-ov-state: valid route: 116.118.88.0/22 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2021-02-05T09:06:27Z source: APNIC rpki-ov-state: valid route: 116.118.88.0/23 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:38:58Z source: APNIC rpki-ov-state: valid route: 116.118.88.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:39:00Z source: APNIC rpki-ov-state: valid route: 116.118.89.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:39:03Z source: APNIC rpki-ov-state: valid route: 116.118.90.0/23 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:39:06Z source: APNIC rpki-ov-state: valid route: 116.118.90.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:39:08Z source: APNIC rpki-ov-state: valid route: 116.118.91.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:39:11Z source: APNIC rpki-ov-state: valid route: 116.118.92.0/22 descr: Customer of Viettel VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20210429 source: NTTCOM rpki-ov-state: valid route: 116.118.92.0/22 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2021-02-05T09:06:31Z source: APNIC rpki-ov-state: valid route: 116.118.92.0/23 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:40:33Z source: APNIC rpki-ov-state: valid route: 116.118.92.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:40:35Z source: APNIC rpki-ov-state: valid route: 116.118.93.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:40:38Z source: APNIC rpki-ov-state: valid route: 116.118.94.0/23 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:40:40Z source: APNIC rpki-ov-state: valid route: 116.118.94.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:40:42Z source: APNIC rpki-ov-state: valid route: 116.118.95.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:40:44Z source: APNIC rpki-ov-state: valid route: 157.119.248.0/22 descr: VINACIS-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2024-04-10T03:23:34Z source: APNIC rpki-ov-state: valid route: 157.119.248.0/22 descr: Customer of Viettel VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20190613 source: NTTCOM rpki-ov-state: valid route: 180.93.172.0/22 descr: Customer of Viettel VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20210220 source: NTTCOM rpki-ov-state: valid route: 180.93.172.0/22 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2021-02-05T09:05:55Z source: APNIC rpki-ov-state: valid route: 180.93.172.0/23 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:27:47Z source: APNIC rpki-ov-state: valid route: 180.93.172.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:27:50Z source: APNIC rpki-ov-state: valid route: 180.93.173.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:27:52Z source: APNIC rpki-ov-state: valid route: 180.93.174.0/23 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:27:54Z source: APNIC rpki-ov-state: valid route: 180.93.174.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:27:56Z source: APNIC rpki-ov-state: valid route: 180.93.175.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:27:58Z source: APNIC rpki-ov-state: valid route: 180.93.176.0/22 descr: Customer of Viettel VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20210220 source: NTTCOM rpki-ov-state: valid route: 180.93.176.0/22 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2021-02-05T09:06:02Z source: APNIC rpki-ov-state: valid route: 180.93.176.0/23 descr: SPT descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:29:53Z source: APNIC rpki-ov-state: valid route: 180.93.176.0/24 descr: SPT descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:29:55Z source: APNIC rpki-ov-state: valid route: 180.93.177.0/24 descr: SPT descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:29:57Z source: APNIC rpki-ov-state: valid route: 180.93.178.0/23 descr: SPT descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:29:59Z source: APNIC rpki-ov-state: valid route: 180.93.178.0/24 descr: SPT descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:30:01Z source: APNIC rpki-ov-state: valid route: 180.93.179.0/24 descr: SPT descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:30:05Z source: APNIC rpki-ov-state: valid route: 180.93.180.0/22 descr: Customer of Viettel VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20210220 source: NTTCOM rpki-ov-state: valid route: 180.93.180.0/22 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2021-02-05T09:06:07Z source: APNIC rpki-ov-state: valid route: 180.93.180.0/23 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:33:03Z source: APNIC rpki-ov-state: valid route: 180.93.180.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:33:05Z source: APNIC rpki-ov-state: valid route: 180.93.181.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:33:08Z source: APNIC rpki-ov-state: valid route: 180.93.182.0/23 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:33:10Z source: APNIC rpki-ov-state: valid route: 180.93.182.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:33:12Z source: APNIC rpki-ov-state: valid route: 180.93.183.0/24 descr: SPT-VN descr: VINACIS - Customer of SPT origin: AS135944 mnt-by: MAINT-VN-SPT last-modified: 2022-09-15T16:33:14Z source: APNIC rpki-ov-state: valid route6: 2404:ef80::/48 descr: VINACIS-AS-VN origin: AS135944 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20190613 source: NTTCOM rpki-ov-state: valid route6: 2404:ef80::/48 descr: VINACIS-VN origin: AS135944 mnt-by: MAINT-VN-VNNIC last-modified: 2022-09-13T07:34:00Z source: APNIC rpki-ov-state: valid