These entries are queried from radb.net using whois, you can try my project getting these.
:AS140781 route: 103.161.212.0/23 descr: VIETHOSTINGCO-VN origin: AS140781 mnt-by: MAINT-VN-VNNIC last-modified: 2021-03-24T09:38:10Z source: APNIC rpki-ov-state: valid route: 103.161.212.0/24 descr: VIETHOSTINGCO-VN origin: AS140781 mnt-by: MAINT-VN-VNNIC last-modified: 2021-03-24T09:38:12Z source: APNIC rpki-ov-state: valid route: 103.161.213.0/24 descr: VIETHOSTINGCO-VN origin: AS140781 mnt-by: MAINT-VN-VNNIC last-modified: 2021-03-24T09:38:13Z source: APNIC rpki-ov-state: valid