These entries are queried from radb.net using whois, you can try my project getting these.
:AS38734 route: 103.151.242.0/23 descr: ENCAPITAL-VN origin: AS38734 mnt-by: MAINT-VN-VNNIC last-modified: 2022-03-11T11:00:14Z source: APNIC rpki-ov-state: valid