These entries are queried from radb.net using whois, you can try my project getting these.
:AS131344 route: 103.151.54.0/23 descr: Vietnam Post and Telecom Corporation (VNPT) origin: AS131344 remarks: mailto: ktm.ip [at] vnpt.vn notify: vuxuannhan [at] vnpt.vn mnt-by: MAINT-AS45899 changed: radb [at] vnpt.vn 20200820 source: RADB last-modified: 2023-11-13T16:07:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.151.54.0/24 descr: Vietnam Post and Telecom Corporation (VNPT) origin: AS131344 remarks: mailto: ktm.ip [at] vnpt.vn notify: vuxuannhan [at] vnpt.vn mnt-by: MAINT-AS45899 changed: radb [at] vnpt.vn 20200820 source: RADB last-modified: 2023-11-13T16:07:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source