These entries are queried from radb.net using whois, you can try my project getting these.
:AS63739 route: 103.151.56.0/23 descr: VIETPN-VN origin: AS63739 mnt-by: MAINT-VN-VNNIC last-modified: 2022-03-10T05:12:46Z source: APNIC rpki-ov-state: valid route: 103.151.56.0/23 descr: Customer of Viettel VIETPN-AS-VN origin: AS63739 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20200617 source: NTTCOM rpki-ov-state: valid route: 103.151.56.0/24 descr: Customer of Viettel VIETPN-AS-VN origin: AS63739 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20200617 source: NTTCOM rpki-ov-state: valid route: 103.151.56.0/24 descr: VIETPN-VN origin: AS63739 mnt-by: MAINT-VN-VNNIC last-modified: 2022-03-10T05:12:48Z source: APNIC rpki-ov-state: valid route: 103.151.57.0/24 descr: VIETPN-VN origin: AS63739 mnt-by: MAINT-VN-VNNIC last-modified: 2022-03-10T05:12:50Z source: APNIC rpki-ov-state: valid route: 103.151.57.0/24 descr: Customer of Viettel VIETPN-AS-VN origin: AS63739 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20200617 source: NTTCOM rpki-ov-state: valid route: 103.186.154.0/23 descr: FASTLY-VN origin: AS63739 mnt-by: MAINT-VN-VNNIC last-modified: 2022-05-06T04:17:38Z source: APNIC rpki-ov-state: valid route: 103.186.154.0/24 descr: FASTLY-VN origin: AS63739 mnt-by: MAINT-VN-VNNIC last-modified: 2022-05-06T04:17:40Z source: APNIC rpki-ov-state: valid route: 103.186.155.0/24 descr: FASTLY-VN origin: AS63739 mnt-by: MAINT-VN-VNNIC last-modified: 2022-05-06T04:17:43Z source: APNIC rpki-ov-state: valid route6: 2400:39a0::/48 descr: VIETPN-VN origin: AS63739 mnt-by: MAINT-VN-VNNIC last-modified: 2022-03-24T01:31:22Z source: APNIC rpki-ov-state: valid route6: 2400:72a0::/48 descr: FASTLY-VN origin: AS63739 mnt-by: MAINT-VN-VNNIC last-modified: 2022-05-06T04:18:17Z source: APNIC rpki-ov-state: valid