These entries are queried from radb.net using whois, you can try my project getting these.
:AS140742 route: 103.152.162.0/23 descr: Customer of Viettel DZOGAME-AS-VN origin: AS140742 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20200805 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.152.162.0/24 descr: Customer of Viettel DZOGAME-AS-VN origin: AS140742 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20200805 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.152.163.0/24 descr: Customer of Viettel DZOGAME-AS-VN origin: AS140742 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20200805 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source