These entries are queried from radb.net using whois, you can try my project getting these.
:AS131131 route: 117.122.1.0/24 descr: VNNIC-AS-VN origin: AS131131 mnt-by: MAINT-VN-VNNIC last-modified: 2021-10-21T07:30:04Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:dc8:2001::/48 descr: VNNIC-AS-VN origin: AS131131 mnt-by: MAINT-VN-VNNIC last-modified: 2021-10-21T07:21:17Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source