These entries are queried from radb.net using whois, you can try my project getting these.
:AS140745 route: 103.153.214.0/23 descr: Customer of Viettel VINTEK-AS-VN origin: AS140745 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20200825 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.153.214.0/23 descr: Proxy-registered route object origin: AS140745 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20230907 source: RADB last-modified: 2023-11-13T16:18:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.153.214.0/23 descr: VINTEK-VN origin: AS140745 mnt-by: MAINT-VN-VNNIC last-modified: 2020-08-14T05:08:54Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.153.214.0/24 descr: Customer of Viettel VINTEK-AS-VN origin: AS140745 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20200825 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.153.214.0/24 descr: Proxy-registered route object origin: AS140745 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20230907 source: RADB last-modified: 2023-11-13T16:18:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.153.215.0/24 descr: Customer of Viettel VINTEK-AS-VN origin: AS140745 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20200825 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.153.215.0/24 descr: Proxy-registered route object origin: AS140745 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20230907 source: RADB last-modified: 2023-11-13T16:18:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source